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<title>Ptak Science Books</title>
<link>http://longstreet.typepad.com/thesciencebookstore/</link>
<description>A million words on connections in the history of science, math and technology with images, social history and general found environments.</description>
<language>en-US</language>
<lastBuildDate>Thu, 26 Jan 2012 10:30:35 -0500</lastBuildDate>
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<title>Nutmeg and the Roundabout Creation of New York City</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/jf-2.html</link>
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<description>JF Ptak Science Books Post 1704 This may be the earliest image of "New York" as it was--that is "New York" instead of "New Amsterdam". From what looks like an extraordinarily bad trade (with 350-year-long hindsight), the Dutch and the...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160;&amp;#0160; Post 1704&lt;/p&gt;
&lt;p&gt;&lt;img alt="IMG_4880" height="317" src="http://steffenvoelkel2.de/IMG_5671.jpg" style="display: block; margin-left: auto; margin-right: auto;" width="326" /&gt;&lt;/p&gt;
&lt;p&gt;This may be the earliest image of &amp;quot;New York&amp;quot; as it was--that is &amp;quot;New York&amp;quot; instead of &amp;quot;New Amsterdam&amp;quot;.&amp;#0160; From what looks like an extraordinarily bad trade (with 350-year-long hindsight), the Dutch and the English came to terms at the end of the second Dutch-English War (1665-1667)&amp;#0160; one result of which traded the small island of Run in the Banda Islands for another small (but not nearly so small as Run) island in North America:&amp;#0160; Manhattan.&lt;/p&gt;
&lt;p&gt;Manhattan didn&amp;#39;t have one thing that Run and the Bandas had, though, and that one thing was enormously valuable--nutmeg trees.&amp;#0160; From the nutmeg tree came nutmeg and mace; nutmeg was a spice and a supposed medicinal, and traded for more than the price of gold, allowing its producers a phenomenal return on their investment.&lt;/p&gt;
&lt;p&gt;The Bandas were in a remote place removed from remote places in Indonesia.&amp;#0160; In the island group--which rose from great depths of the ocean--the total land mass was about 180 km&lt;sup&gt;2.&lt;/sup&gt; Not much, except if they were the only places on Earth producing a commodity in sensational demand. The Dutch kept control of the islands for a long time, and kept their trade in the spices an abject money-maker.&amp;#0160; They secured their uncontested control of the island group at the end of that second Anglo-Dutch War with the Treaty of Breda, one section of which had the Brits returning Run to the Dutch in exchange for Manhattan, which was at the time still occupied by the Duke of York, who was the brother of Charles II and who would become James II.&amp;#0160; And thus the island became &amp;quot;New York&amp;quot;.&lt;/p&gt;
&lt;p&gt;Due to various reasons--not the least of which was the Dutch murder and export of the un-murdered indigenous population of the Bandas, who were the people who actually best knew how to care and administer the nutmeg trees--the great trade in the spices continued with diminishing effect in the Napoleonic Wars, an unpretty story of much bloodshed and enslavement.&lt;/p&gt;
&lt;p&gt;{Image: &amp;quot;Fort Hollandois de l&amp;#39;Ile de Banda. - Hollands Fort op t&amp;#39; Eiland Banda.&amp;quot;Original engraving&amp;#0160; by J.V. Schley and printed aorund 1750 (39.5x25 cm) for&amp;#0160;&lt;span style="color: #000000;"&gt; Antoine Prévost&amp;#39;s &lt;em&gt;Histoire générale des Voyages&lt;/em&gt; published in Paris between 1746 and 1770.&amp;#0160; The name of the structure was actually &lt;em&gt;Fort Nassau.&amp;#0160; &lt;/em&gt;The original engraving is available from our blog bookstore, &lt;a href="http://longstreet.typepad.com/books/2012/01/nut.html" target="_self"&gt;here&lt;/a&gt;.]&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;</content:encoded>


<category>Absurdist, Unintentional</category>
<category>Histories of Smallness</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Thu, 26 Jan 2012 10:30:35 -0500</pubDate>

</item>
<item>
<title>Tech-Quiz 6:  A Square Peg in a Round Hole?</title>
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<description>JF Ptak Science Books Quick Post Or is it a round hole fitted around a square peg? And what is it that is patentable about what follows? Answer in "continue reading", below: The answer is remarkably simple, but evidently it...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160; &lt;em&gt;Quick Post&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;Or is it a round hole fitted around a square peg?&amp;#0160; And what is it that is patentable about what follows?&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=rf5sAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA1&amp;amp;ci=205%2C523%2C514%2C423&amp;amp;source=bookclip"&gt;&lt;img alt="" src="http://www.google.com/patents?id=rf5sAAAAEBAJ&amp;amp;pg=PA1&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0ZzlXgaXnhQ_3y9dHdqMBdwyX-Kw&amp;amp;ci=205%2C523%2C514%2C423&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" /&gt;&lt;/a&gt; Answer in &amp;quot;continue reading&amp;quot;, below:&lt;/p&gt;

The answer is remarkably simple, but evidently it was worth issuing a patent for, as just about anything is so long as you are the first to it, as the inventor basically says in the second-to-last paragraph:  &lt;a href="http://www.google.com/patents?id=rf5sAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=40%2C300%2C866%2C755&amp;amp;source=bookclip"&gt;&lt;img alt="" height="334" src="http://www.google.com/patents?id=rf5sAAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U1_Z3IvfdII8-azTfvIvVNAI5loqg&amp;amp;ci=40%2C300%2C866%2C755&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" width="383" /&gt;&lt;/a&gt;As we can see again in a more-modern patent for a &amp;quot;color matching card&amp;quot;--its Figure 2 and Figure 3 that I really like:
&lt;p&gt;&amp;#0160;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=ouE9AAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=65%2C66%2C811%2C870&amp;amp;source=bookclip"&gt;&lt;img alt="" height="343" src="http://www.google.com/patents?id=ouE9AAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0AQkBMRRCTBjzw_DdapkjtdPixJg&amp;amp;ci=65%2C66%2C811%2C870&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" width="320" /&gt;&lt;/a&gt;&lt;/p&gt;</content:encoded>


<category>Patents</category>
<category>Tech-Quiz</category>
<category>Technology, History of</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Thu, 26 Jan 2012 10:14:34 -0500</pubDate>

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<title>On Teaching the Concept of What a Number "Is"--1929 vs. 2012</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/on-teaching-the-concept-of-what-a-number-is-1929-vs-2012.html</link>
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<description>JF Ptak Science Books Quick Post At first glance this math teaching tool looks a little on the obvious/antique/useless side, but I think that there are some good points to it in helping small children understand the concept of what...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160;&amp;#0160; &lt;em&gt;Quick Post&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;At first glance this math teaching tool looks a little on the obvious/antique/useless side, but I think that there are some good points to it in helping small children understand the concept of what a number &amp;quot;is&amp;quot; and relating the processes of addition and subtraction to the relationship of &amp;quot;numbers&amp;quot; to &amp;quot;things&amp;quot;.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=pvJPAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA1&amp;amp;ci=92%2C97%2C774%2C1184&amp;amp;source=bookclip"&gt;&lt;img alt="" height="597" src="http://www.google.com/patents?id=pvJPAAAAEBAJ&amp;amp;pg=PA1&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U2mPKoojRSafVYyI04mh0XRAUklXA&amp;amp;ci=92%2C97%2C774%2C1184&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" width="391" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;And as the inventor points out&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=pvJPAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=70%2C909%2C400%2C356&amp;amp;source=bookclip"&gt;&lt;img alt="" src="http://www.google.com/patents?id=pvJPAAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0h9K1HWQ5RTEtZLl3o3fN5bdERCw&amp;amp;ci=70%2C909%2C400%2C356&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;and so on...&lt;/p&gt;
&lt;p&gt;This certainly seems more beneficial and utilizable than the current practice in my daughter&amp;#39;s third grade class, where a simple subtraction problem is turned into a double addition problem employing a number line, all in the name of teaching the children the concept of &amp;quot;number&amp;quot; and doing away with algorithms.&amp;#0160; I think that by the third grade, the concept of &amp;quot;number&amp;quot; has been established, though the board of edu-selection might be trying&amp;#0160; to re-visit a lost point of development somehow.&lt;/p&gt;
&lt;p&gt;So with my daughter&amp;#39;s class,take&amp;#0160; the problem 456-345= &amp;#0160;&amp;#0160; ______&lt;/p&gt;
&lt;p&gt;This is made intoan addition problem,&amp;#0160; 345+ ____= 456.&lt;/p&gt;
&lt;p&gt;The addition problem is turned into a &lt;strong&gt;number line&lt;/strong&gt;, with 345 on the left far end and 456 on the right.&amp;#0160;&lt;/p&gt;
&lt;p&gt;The children are told to add the requisite bits to 345 to get to a &amp;quot;zero unit&amp;quot; for each place value, and then add those for the solution to the problem.&amp;#0160;&lt;/p&gt;
&lt;p&gt;So:&amp;#0160; 345+5= 350, 350+50=400; 400=50=450; 450+6+456.&amp;#0160; Add the 5+50+50+6= 111.&lt;/p&gt;
&lt;p&gt;In this confusion a stab at the heart of understanding the concept of &amp;quot;number&amp;quot; has beenb made.&amp;#0160;&lt;/p&gt;
&lt;p&gt;A step back from this would be a wise move to make.&lt;/p&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;</content:encoded>


<category>Information, Quantitative Display of</category>
<category>mathematics, logic</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Thu, 26 Jan 2012 09:43:06 -0500</pubDate>

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<item>
<title>Tech-Quiz #5--Not a "What is It?", but "Who Done It?"</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/tech-quiz-5-not-a-what-is-it-but-who-done-it.html</link>
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<description>JF Ptak Science Books Quick Post This was a major piece of early thinking on spread spectrum communications and frequency hopping--butter for the bread (or bread for the butter?) of wireless communication--with the piano roll tapes replaced by electronics. The...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160;&amp;#0160; &lt;em&gt;Quick Post&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;&lt;em&gt;This was a major piece of early thinking on spread spectrum communications and frequency hopping--butter for the bread (or bread for the butter?) of wireless communication--with the piano roll tapes replaced by electronics. The idea didn&amp;#39;t go anywhere in 1942--it did, however, go far, beginning in the late 1950&amp;#39;s. &lt;/em&gt;The major name listed on the patent report &lt;em&gt;is&lt;/em&gt; a major name, but not in this form, and not in this area--some might find it very surprising to know the more popular version of the inventor&amp;#39;s identity, and the industry in which the inventor worked.&lt;/p&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=49%2C124%2C770%2C173&amp;amp;source=bookclip"&gt;&lt;img alt="" height="118" src="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0wSCrT5gqTZOPcnSOGMRQnjWz0Qg&amp;amp;ci=49%2C124%2C770%2C173&amp;amp;edge=0" width="527" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;H.K. Markey and G. Anthiel produced this:&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=68%2C115%2C780%2C1153&amp;amp;source=bookclip"&gt;&lt;img alt="" height="488" src="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0wSCrT5gqTZOPcnSOGMRQnjWz0Qg&amp;amp;ci=68%2C115%2C780%2C1153&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" width="330" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Hint: the &amp;quot;H.&amp;quot; stood for&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;zoom=4&amp;amp;pg=PA2&amp;amp;ci=428%2C1114%2C303%2C38&amp;amp;source=bookclip"&gt;&lt;img alt="" height="48" src="http://www.google.com/patents?id=R4BYAAAAEBAJ&amp;amp;pg=PA2&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U0wSCrT5gqTZOPcnSOGMRQnjWz0Qg&amp;amp;ci=428%2C1114%2C303%2C38&amp;amp;edge=0" style="display: block; margin-left: auto; margin-right: auto;" width="388" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Answer, in continued reading, below:&lt;/p&gt;


&lt;p&gt;The inventor was ultra-mega MGM studio star, actor &lt;a href="http://www.hedylamarr.com/" target="_self"&gt;Hedy Lamarr&lt;/a&gt; (1913-2000, Austrian,&lt;strong&gt; Hedwig Eva Maria Kiesler). &lt;br /&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;img alt="http://cdn2-b.examiner.com/sites/default/files/styles/large/hash/91/f9/Dr9L03Hw9MY_0.jpg" src="http://cdn2-b.examiner.com/sites/default/files/styles/large/hash/91/f9/Dr9L03Hw9MY_0.jpg" style="display: block; margin-left: auto; margin-right: auto;" /&gt;&lt;/p&gt;
&lt;p&gt;&lt;br /&gt;&lt;sup id="cite_ref-EFF1997_0-0"&gt;&lt;a href="http://en.wikipedia.org/wiki/Hedy_Lamarr#cite_note-EFF1997-0"&gt;&lt;/a&gt;&lt;/sup&gt;&lt;/p&gt;</content:encoded>


<category>Computer Tech/History</category>
<category>Patents</category>
<category>Tech-Quiz</category>
<category>Technology, History of</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Thu, 26 Jan 2012 09:03:42 -0500</pubDate>

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<item>
<title>Tech-Quiz #4--the Sublime Mundane</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/tech-quiz-4-the-sublime-mundane.html</link>
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<description>JF Ptak Science Books Quick Post This forms the absolute end of something, the "tip" of it, one of two, at the either end of slender cord. Even for this there must be a patent--and there were, evidently, many of...</description>
<content:encoded>&lt;p style="text-align: left;"&gt;JF Ptak Science Books&amp;nbsp; &lt;em&gt;Quick Post&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=fN1fAAAAEBAJ&amp;amp;zoom=4&amp;amp;dq=shoe%20lace%20metal%20tip&amp;amp;pg=PA1&amp;amp;ci=123%2C731%2C793%2C284&amp;amp;source=bookclip"&gt;&lt;img style="display: block; margin-left: auto; margin-right: auto;" src="http://www.google.com/patents?id=fN1fAAAAEBAJ&amp;amp;pg=PA1&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U21RV2qKRWzLnddFbauNWbLU8Xl7g&amp;amp;ci=123%2C731%2C793%2C284&amp;amp;edge=0" alt="" width="467" height="167" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;This forms the absolute end of something, the "tip" of it, one of two, at the either end of slender cord. Even for this there must be a patent--and there were, evidently, many of them.&amp;nbsp; This is just one, from 1922&lt;/p&gt;
&lt;p&gt;Answer in the continued reading section, below:&lt;/p&gt;
&lt;p&gt;

&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.google.com/patents?id=fN1fAAAAEBAJ&amp;amp;zoom=4&amp;amp;dq=shoe%20lace%20metal%20tip&amp;amp;pg=PA1&amp;amp;ci=56%2C156%2C809%2C1221&amp;amp;source=bookclip"&gt;&lt;img style="display: block; margin-left: auto; margin-right: auto;" src="http://www.google.com/patents?id=fN1fAAAAEBAJ&amp;amp;pg=PA1&amp;amp;img=1&amp;amp;zoom=4&amp;amp;hl=en&amp;amp;sig=ACfU3U21RV2qKRWzLnddFbauNWbLU8Xl7g&amp;amp;ci=56%2C156%2C809%2C1221&amp;amp;edge=0" alt="" width="361" height="545" /&gt;&lt;/a&gt;&lt;/p&gt;</content:encoded>


<category>Inventions</category>
<category>Patents</category>
<category>Tech-Quiz</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Thu, 26 Jan 2012 08:56:19 -0500</pubDate>

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<title>Drowning in Numbers--Arithmetical Harvesting by Monroe and Texas Instruments</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/drowning-in-numbers-aritmetical-harvesting-by-monroe-and-texas-instruments.html</link>
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<description>JF Ptak Science Books Post 1704 The Monroe calculator must have seemed the same sort of inspired salvation to the 1930's generation as the hand-held Texas Instruments calculator (with paper feed!) that I saw displayed in a glass-domed pedestal at...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160; Post 1704&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016300187e2a970d-pi" style="display: inline;"&gt;&lt;img alt="Monroe numbers lost detail" class="asset  asset-image at-xid-6a00d83542d51e69e2016300187e2a970d" height="278" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016300187e2a970d-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Monroe numbers lost detail" width="324" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d87bf970b-pi" style="float: left;"&gt;&lt;img alt="Monroe numbers lost" height="217" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d87bf970b-320wi" style="margin: 0px 5px 5px 0px;" title="Monroe numbers lost" width="162" /&gt;&lt;/a&gt;The Monroe calculator must have seemed the same sort of inspired salvation to the 1930&amp;#39;s generation as the hand-held Texas Instruments calculator (with paper feed!) that I saw displayed in a glass-domed pedestal at Barnes and Noble in Manhattan in 1973.&amp;#0160; Small, compact, and with fantastic calculatign capacity--and expensive.&amp;#0160; It was in a very real sense a glimpse into the future.&amp;#0160; For the general, garden-variety Monroe, it certainly offered its users a much smaller, tidier machine than some of the brutes of the decade or two preceding it--make no mistake, there were some big bruising accounting Monroes that were truck busters.&lt;/p&gt;
&lt;p&gt;But the Monroes that appeared in these ads from LIFE magazine in the late 1930&amp;#39;s  &lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e201630018842e970d-pi" style="float: right;"&gt;&lt;img alt="Monroe calculator" class="asset  asset-image at-xid-6a00d83542d51e69e201630018842e970d" height="298" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e201630018842e970d-320wi" style="margin: 0px 0px 5px 5px;" title="Monroe calculator" width="223" /&gt;&lt;/a&gt;were certainly populist, and easily transportable.&amp;#0160; And they cost about as much (with some smoke/mirrors adjusting for inflation and etc) in 1937 as the $450 TI&amp;#0160; cost in 1973. (The TI machine was produced just seven years or so after its first hand-held was introduced--I&amp;#39;m unsure of the 450 price tag, though I think it about correct.&amp;#0160; The TI SR-50 without a paper trail cost about $150 in 1974.)&lt;/p&gt;
&lt;p&gt;Monroe is an old company (begun in 1912) company that produced hand-cranked and electromechanical calculating devices.&amp;#0160; The Monroe salesman&amp;#39;s handbook that I have here from 1929 shows versions of their machine that were lightweight and versatile (at 38 pounds) to behemoths for insurance companies that were truck-haulable.&amp;#0160; Monroe became part of Litton before reappearing again on its own, trying to compete in the hand-held market with its own electronic display calculator--a device that cost $269 in 1972.&amp;#0160; Monroe was basically &amp;quot;done&amp;quot; by the 1960&amp;#39;s.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d8bcf970b-pi" style="display: inline;"&gt;&lt;img alt="Monroe numbers marching det" class="asset  asset-image at-xid-6a00d83542d51e69e20167610d8bcf970b" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d8bcf970b-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Monroe numbers marching det" /&gt;&lt;/a&gt;&lt;br /&gt;I think that for most people Texas Instruments is produced hand-held calculating devices--it is of course a vast concern, with a long history that gets catapulted during WWII when the formerly geology-based company gets involved in military electronics.&amp;#0160; Fast forward, TI created FLIR and MERA, laser-guided control systems for PGMs (laser-guided bombs/precision-guided munitions), launch and leave glide missiles, and so on. IT was also involved in the earliest work in microminiaturization, producing (by Gordon Teal) the first commercial silicon transistor (1954) and the first integrated circuit (by Jack Kilby) in 1958. And so on.&amp;#0160; Its a big, old company.&lt;/p&gt;
&lt;p&gt;And as much as each company was offering a similar god-send to their generationally-distanced mathematician/number cruncher, TI simply didn&amp;#39;t have ads like Monroe.&amp;#0160; And I&amp;#39;ve always iked to see numbers-on-the-move.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d8fcc970b-pi" style="display: inline;"&gt;&lt;img alt="Monroe numbers marching" class="asset  asset-image at-xid-6a00d83542d51e69e20167610d8fcc970b" height="317" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e20167610d8fcc970b-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Monroe numbers marching" width="237" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;/p&gt;</content:encoded>


<category>Brevity and Complexity</category>
<category>Calculating</category>
<category>Information, Quantitative Display of</category>
<category>mathematics, logic</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Wed, 25 Jan 2012 09:11:57 -0500</pubDate>

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<item>
<title>Numbers in Dreams</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/numbers-in-dreams.html</link>
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<description>JF Ptak Science Books Post 1703 Thinking big thoughts in dreams is generally not a common thing, as anyone who has read their own semi-conscious half-awake memory notes of a dream-based inspiration could attest. But it does happen: Paul McCartney1...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160;&amp;#0160; Post 1703&lt;/p&gt;
&lt;p&gt;Thinking big thoughts in dreams is generally not a common thing, as anyone who has read their own semi-conscious half-awake memory notes of a dream-based inspiration could attest.&amp;#0160; But it does happen:&amp;#0160; &lt;br /&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e20115721f9e36970b-pi" style="float: left;"&gt;&lt;img alt="==Blog July 21=math dream" class="at-xid-6a00d83542d51e69e20115721f9e36970b " src="http://longstreet.typepad.com/.a/6a00d83542d51e69e20115721f9e36970b-500wi" style="margin: 0px auto 5px; display: block;" /&gt;&lt;/a&gt; &lt;br /&gt;Paul&amp;#0160; McCartney&lt;sup&gt;1&lt;/sup&gt; dreamed the song &lt;em&gt;Yesterday&lt;/em&gt;, Gandhi dreamed the source of non-violent resistance, Elias Howe&amp;#0160; dreamed of the construction of the first sewing machine, and Mary Shelley the creation of her novel&lt;span style="font-style: italic;"&gt; &lt;/span&gt;&lt;em&gt;Frankenstein&lt;/em&gt;... For good or for ill, William Blake was evidently deeply influenced by his own dreams; on the other hand, Rene Magritte was deeply influenced by dreams but didn’t use any of his own for his paintings.&amp;#0160; Otto Loewi turned an old problem into not one in a dream, finding a solution to the prickish problem of whether nerve impulses were chemical or electrical (and resulting in the Nobel for medicine in 1935); the fabulous discovery of the benzene ring came to August Kekule in a dream as well.&amp;#0160; Artists have been representing people in dreams and dreamscapes for many centuries: Durer depicted a dream in a 1525 watercolor, for example, and thousands of artists have depicted famous biblical dreams (Joseph of Pharo) for long expanses of time.&lt;/p&gt;
&lt;p&gt;What struck me, though, in this illustration found on the other side of the page of the &lt;em&gt;Illustrirte Zeitung&lt;/em&gt;&lt;sup&gt;2&lt;/sup&gt; (for August 1932) that I used for yesterday’s post about damming Gibraltar and Shakespeare’s memories, was the depiction of someone dreaming mathematical thoughts…or at the very least, dreaming numbers.&amp;#0160; People have undoubtedly dreamed much in mathematics, but I can not recall seeing illustrations of these dreams.&lt;/p&gt;
&lt;p&gt;I&amp;#39;m differentiating here from something like a Poincarean inspiration, or vision, or thunderstrike--I&amp;#39;m talking about drop-dead asleep sleep, dreaming sleep, REM and all that. Also I&amp;#39;m differentiating this from &lt;em&gt;imaging &lt;/em&gt;mathematical thought, as in the work of Francis Galton in 1880 in which the subject of mentally seeing the process of mathematics is perhaps first addressed. I wrote a short piece on that &lt;a href="http://longstreet.typepad.com/thesciencebookstore/2008/02/a-new-class-of.html"&gt;here&lt;/a&gt;, way back in Post 9. )&lt;/p&gt;
&lt;p&gt;The numerical sequence in this dream doesn’t look like anything to me:&amp;#0160; the backwards radicand doesn’t strike anything common in my head.&amp;#0160; The geometrical drawing under the portrait in the dreamer’s room though is the impossibly iconic Pythagorean theorem, and there is a nice picture of a conic section in the foreground; but the artist, who improbably signed the work “A. Christ”, doesn’t offer much of math in the dreamscape.&amp;#0160; Still, it is a rare depiction of someone dreaming about math.&amp;#0160;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Notes&lt;/strong&gt;&lt;br /&gt;1. &amp;quot;I woke up with a lovely tune in my head. I thought, &amp;#39;That&amp;#39;s great, I wonder what that is?&amp;#39; There was an upright piano next to me, to the right of the bed by the window. I got out of bed, sat at the piano, found G, found F sharp minor 7th -- and that leads you through then to B to E minor, and finally back to E. It all leads forward logically. I liked the melody a lot, but because I&amp;#39;d dreamed it, I couldn&amp;#39;t believe I&amp;#39;d written it. I thought, &amp;#39;No, I&amp;#39;ve never written anything like this before.&amp;#39; But I had the tune, which was the most magic thing!&amp;quot; from Barry Miles (1997), &lt;em&gt;Paul McCartney.&lt;/em&gt;&lt;br /&gt;2.&amp;#0160; this is really a great sheet of paper, coming from issue 4492, pp 518-519.&amp;#0160; Two pictures of dreams on one side, with three visionary images on the other (the Gibraltar dam, a sub-polar submarine, and a futuristic Indian railway/bridge.&lt;/p&gt;</content:encoded>


<category>Art History</category>
<category>mathematics, logic</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Wed, 25 Jan 2012 07:54:11 -0500</pubDate>

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<item>
<title>Empty Memory: Telephone Number 20080 (Warsaw), Nazi Occupied Poland and the Holocaust, 1941 (Expanded)</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/empty-memory.html</link>
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<description>JF Ptak Science Books --continuation of Post 298 from 2008 I've felt that a great history lesson for school kids would be to make them keep a diary for some other kid from some other time, introduce them to the...</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books --continuation of Post 298 from 2008&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760fb4c75970b-pi" style="display: inline;"&gt;&lt;img alt="Empty diary150" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760fb4c75970b-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Empty diary150" /&gt;&lt;/a&gt;&lt;br /&gt;&amp;#0160;I&amp;#39;ve  felt that a great history lesson for school kids would be to make them  keep a diary for some other kid from some other time, introduce them to  the&lt;em&gt; minutiae &lt;/em&gt;of life from another time and perhaps another  place.&amp;#0160; With some guidance they could make interesting entries in their  diary for, say, 15 June 1897, writing about chores, the daily schedule,  what they studied in school, how they were dressed, how they got food on  the table and kept the house clean, how they would spend 25 cents, what  they would see from some given vantage point, and on and on.&amp;#0160; This  could take place in their very own home town; it could be  multi-generational, requiring them to talk to the scary white hairs, or  it could reach far back into history and be of an entirely different  place altogether.&amp;#0160; After they were assigned a particular place in time  and space, you could give the kid subtle hints, like this one (below),  asking them what they thought it might mean by dialing the phone number  200 80 in Warsaw in 1941.&amp;#0160; And what did that pair of lightning bolts  mean, anyway?&amp;#0160; I think that once they were made to figure it out for  themselves, as though they might&amp;#39;ve been there, and then could record  their feelings and observations in a diary might actually bring history  to life (especially once they had their &amp;quot;holy crap&amp;quot; (and probably worse)  moment at what these numbers implied).&amp;#0160;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.shared/image.html?/photos/uncategorized/2008/10/03/1ebay_oct_3_1941_diary739_2.jpg"&gt;&lt;img alt="1ebay_oct_3_1941_diary739_2" border="0" src="http://longstreet.typepad.com/thesciencebookstore/images/2008/10/03/1ebay_oct_3_1941_diary739_2.jpg" style="margin: 0px auto 5px; width: 507px; height: 98px; display: block;" title="1ebay_oct_3_1941_diary739_2" /&gt;&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;This is one of the ideas that came home again uncovering this odd  booklet, which is a Nazi diary for those stationed in the  Generalgouvernement &lt;em&gt;(Tascehnjahrbuch 1941 fuer den Deutschen im Generalgouvernement&lt;/em&gt;) ,&amp;#0160; for the year 1941. The General Government (or more fully the &lt;em&gt;Generalgouvernement für die besetzten polnischen Gebiete&lt;/em&gt;)  was one administrative section of occupied Poland, the country being  divided in 1939 after the German invasion of 3 September 1939, with the  western section being retained by the Germans and the Eastern given over  to occupation by the Soviets via the Non-Aggression pact between the  USSR and Germany&lt;sup&gt;.1&lt;/sup&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e20163000690d3970d-pi" style="display: inline;"&gt;&lt;img alt="Empty diary149" height="273" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e20163000690d3970d-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Empty diary149" width="353" /&gt;&lt;/a&gt;&lt;br /&gt;This  looks like an every day diary for the period, except for the Nazi (or  NSDAP) regalia and German imprint of Generalgouvernement in Krakau.&amp;#0160; And,  all of the annotated high points of the year for the most overly  voracious parts of German militarism as well as for the hot points of  Nazi history.&amp;#0160; Hitler, (above) Goering, Goebbels and other leaders&amp;#39;  birthdays are highlighted, not to mention seminal points in the  development of the Nazi party and party-adoptees (Richard Wagner has a  number of entries for suggested celebrations).&amp;#0160;&lt;/p&gt;
&lt;p&gt;There are also helpful directories in the back pointing to any number  of cafes located in a growing number of &amp;quot;Adolf Hilter Platz&amp;#39;s&amp;quot;  throughout Poland (including three in Radom), as well as fares for the  use of the railway and postal system.&lt;/p&gt;
&lt;p&gt;We also see the following telephone number:&amp;#0160; 23075.&amp;#0160; That&amp;#39;s for the Literarische Kaffee Stefansgasse I, Krakau. This is the location that the Reichsminister and administrator Hans Frank (about whom we&amp;#39;ll read in a moment) decided to hold a chess tournament in 1941, to satisfy his own need for chess while freshly in the pursuit of the murder of millions of people.&lt;/p&gt;
&lt;p style="padding-left: 30px;"&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e201630006fa95970d-pi" style="display: inline;"&gt;&lt;img alt="Empty diary cafe151" border="0" class="asset  asset-image at-xid-6a00d83542d51e69e201630006fa95970d" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e201630006fa95970d-800wi" style="display: block; margin-left: auto; margin-right: auto;" title="Empty diary cafe151" /&gt;&lt;/a&gt;&lt;br /&gt;‘Frank was extremely interested in chess. He not only possessed an extensive library of chess literature but was also a good player, and he even “received” the Ukrainian chess master Bogoljubow at the castle. On 3 November 1940 he organized a chess congress in Cracow. Six months later he announced the setting-up of a chess school under Bogoljubow and the chess master Dr Alexander Alexandrovich Alekhine, and he visited a chess tournament in October 1942 at the “Literary Café” in Cracow.&amp;quot;--&lt;em&gt;Hans Frank &lt;/em&gt;(subtitle:&lt;em&gt; Hitlers Kronjurist und Generalgouverneur&lt;/em&gt;) by Dieter Schenk (Frankfurt am Main, 2006) &amp;quot;and quotes a reference to chess on page 177 (given below in our translation)...&amp;quot;[Source: Chesshistory.com., &lt;a href="http://www.chesshistory.com/winter/extra/frank.html" target="_self"&gt;here&lt;/a&gt;.]&lt;/p&gt;
&lt;p&gt;Continue reading &lt;a href="http://longstreet.typepad.com/thesciencebookstore/2008/10/empty-memory-a-1.html" target="_self"&gt;here&lt;/a&gt;.&lt;/p&gt;</content:encoded>


<category>Blank and Empty Things; A History of</category>
<category>Social History</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Tue, 24 Jan 2012 08:39:58 -0500</pubDate>

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<title>The First Published Image of a Photograph, April 20, 1839</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/the-first-published-image-of-a-photograph-april-20-1839.html</link>
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<description>JF Ptak Science Books, Post 1701 The first published photographic image, or "sunpicture", illustrating an excellent collection of extremely early papers on photography, 1839. Bird, Golding. "A Treatise on Photogenic Drawing." Five papers in a series found and bound in...</description>
<content:encoded>&lt;p style="text-align: left;"&gt;JF Ptak Science Books,&amp;#0160; Post 1701&amp;#0160;&lt;/p&gt;
&lt;p style="text-align: center;"&gt;&lt;strong&gt;The first published photographic image,&amp;#0160; or &amp;quot;sunpicture&amp;quot;, illustrating an excellent collection of extremely early papers on photography, 1839.&lt;br /&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760f61c1b970b-pi" style="display: inline;"&gt;&lt;img alt="Bird photograph148" class="asset  asset-image at-xid-6a00d83542d51e69e2016760f61c1b970b" height="630" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760f61c1b970b-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Bird photograph148" width="398" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;a href="http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1033981"&gt;Bird, Golding.&lt;/a&gt;&amp;#0160; &amp;quot;A Treatise on Photogenic Drawing.&amp;quot;&amp;#0160; Five papers in a series found and bound in the London-published journal, &lt;em&gt;The Mirror.&lt;/em&gt;&amp;#0160; These  five issues comprise a very early work on the new science of  photography by Dr. Golding Bird, appearing in issues from April  20-May 25, 1839:&amp;#0160; this includes &amp;quot;A treatise on photogenic drawing&amp;quot;,&amp;#0160; (pp.  241-44);&amp;#0160; and also&amp;#0160; &amp;quot;The new art - photography&amp;quot;,&amp;#0160; (pp. 261-2, 281-3,  317-18, 333-335.)&lt;/p&gt;
&lt;p&gt;It is page 241 (issue no. 945, Saturday April 20) that particularly peaked my interest--it contains the &lt;strong&gt;First Image of a Photogenic Drawing&lt;/strong&gt;. This is essentially the first publication of an image produced by any sort of photographic process.&amp;#0160; The process here is the &lt;a href="http://albumen.stanford.edu/library/monographs/sunbeam/chap01.html"&gt;&amp;#39;sun picture&amp;quot;&lt;/a&gt;, a  photographic process, making this the first published &amp;quot;photographic&amp;quot; image, but really it is more like the first publication of a photographic image that was produced via woodcut.&amp;#0160; It predates the first mass-published photograph by four  years and the first (entirely) photographically illustrated book (&lt;em&gt;&lt;a href="http://en.wikipedia.org/wiki/The_Pencil_of_Nature"&gt;The Pencil of Nature&lt;/a&gt;)&lt;/em&gt; by six years.&amp;#0160; The sun picture, or heliotype, was first described in  print in 1801 by both Thomas Wedgewood and Humphrey Davy, and although  the process was at least 39 years old at this time there are no recorded  *published* images produced by that process. (The woodcut is much  larger than usual for &lt;em&gt;The Mirror&lt;/em&gt;, and is also of a unique  brown/red color, and of a different hue than any other woodcut that we  have seen in any of the issues of the first 45 years of this  publication.)&lt;/p&gt;
&lt;p&gt;&lt;a href="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760f64744970b-pi" style="display: inline;"&gt;&lt;img alt="Bird photograph148_edited-1" class="asset  asset-image at-xid-6a00d83542d51e69e2016760f64744970b" height="305" src="http://longstreet.typepad.com/.a/6a00d83542d51e69e2016760f64744970b-500wi" style="display: block; margin-left: auto; margin-right: auto;" title="Bird photograph148_edited-1" width="526" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;/p&gt;
&lt;p&gt;The image is described in David A. Hanson Collection of the &lt;a href="http://maca.cdmhost.com/cdm4/browse.php?CISOROOT=%2Fp1325coll1" target="_self"&gt;History of Photomechanical Reproduction&lt;/a&gt;&lt;a href="http://maca.cdmhost.com/cdm4/browse.php?CISOROOT=%2Fp1325coll1" target="_self"&gt;,&lt;/a&gt; located in&lt;br /&gt;&lt;strong&gt;&lt;a href="http://maca.cdmhost.com/cdm4/browse.php?CISOROOT=%2Fp1325coll1"&gt;&amp;#0160;&lt;/a&gt;&lt;/strong&gt;the Sterling and Francine Clark Art Institute (Williamstown, Massachusetts), so:&lt;/p&gt;
&lt;p style="padding-left: 30px;"&gt;&amp;quot;...facsimile  of a photogenic drawing of ferns (done on the block) as a plate [to  illustrate an article serialized by Dr. Golding Bird &amp;quot;A Treatise on  Photogenic Drawing&amp;quot; and reprinted in the &lt;em&gt;Magazine of Natural History&lt;/em&gt;, p.  234-44]...printed in rust to imitate the photogenic drawing... The  facsimile of the photogenic drawing done directly from an exposure on  the block is the first photographic image published. The finished  example is printed directly from the block in a reddish brown to match  the color of Talbot&amp;#39;s first salt print photograms.&amp;quot;&lt;em&gt;--Hanson Collection  catalog, p. 6 [Source, &lt;a href="http://maca.cdmhost.com/cdm4/item_viewer.php?CISOROOT=/p1325coll1&amp;amp;CISOPTR=112&amp;amp;CISOBOX=1&amp;amp;REC=5" target="_self"&gt;here&lt;/a&gt;.]&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;Under the title, &amp;quot;the First Reproduction of a Photograph&amp;quot;,the George Eastman House of Photography&amp;#39;s journal, the &lt;a href="http://image.eastmanhouse.org/files/GEH_1962_11_02.pdf" target="_self"&gt;&lt;em&gt;Image&lt;/em&gt;&lt;/a&gt; (volume 11/2, 1962)&amp;#0160; notes:&lt;/p&gt;
&lt;p style="margin-left: 0.01in; margin-bottom: 0in; padding-left: 30px;"&gt;&lt;span style="font-size: 10pt;"&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;&amp;quot;On April 20, 1839, the London magazine &lt;/span&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;&lt;em&gt;The Mirror of Literature, Amusement, and Instruction, &lt;/em&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;featured as its cover a &amp;quot;Facsimile of a Photogenic Drawing.&amp;quot; There is a copy in the George Eastman House collection. It is a picture —in negative—of three stalks of leaves. The original was made by Golding Bird, &amp;quot;a distinguished botanist&amp;quot; by following William Henry Fox Talbot&amp;#39;s newly invented process, the details of which were made public at the Royal Society on February 21. Paper was made light sensitive by bathing it first in sodium chloride solution, then, after sponging the surface, in a solution of silver nitrate. The material could be used in two ways: to make, as Golding Bird did, a contact print, pressing flat objects to the surface during exposure to light, or in a camera. Both techniques produced negative images, which were fixed in a strong solution of sodium chloride. Talbot named his invention &amp;quot;photogenic drawing.&amp;quot; His friend, Sir John Herschel, proposed for it the word &amp;quot;photography.&amp;quot; &lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p style="margin-left: 0.02in; text-indent: 0.14in; margin-bottom: 0in; padding-left: 30px;"&gt;&lt;span style="font-size: 10pt;"&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;&amp;quot;Thus to &lt;/span&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;&lt;em&gt;The Mirror &lt;/em&gt;&lt;/span&gt;&lt;span style="font-family: Times New Roman,Times,serif;"&gt;falls the honor of having first published a reproduction of a photograph. The facsimile which was presented to its readers was the work of a draftsman, who made a drawing of the photograph, and a wood engraver, who cut the block..”&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;The &lt;em&gt;Image&lt;/em&gt; continues:&lt;/p&gt;
&lt;p style="padding-left: 30px;"&gt;&amp;quot;Only a week later, on April 27, The Magazine of Science and School of Arts, another London magazine, featured three &amp;quot;Fac-similes of Photogenic Drawings&amp;quot; on its cover: two botanical specimens; (Fool&amp;#39;s Parsley and Grass of Parnassus), and a piece of lace. Although wood engravings created by skill of hand, they approach photography more closely. For the very wooden block used for the printing plate was itself sensitized, just as Bird&amp;#39;s paper had been sensitized, and the engraver followed with his burin the photographic image itself, rather than the artist&amp;#39;s drawing.&amp;quot;&lt;/p&gt;
&lt;p style="padding-left: 30px;"&gt;&amp;quot;The photogenic drawings were contributed to the magazine by a reader who signed himself &amp;quot;G.F.&amp;quot; He commented, in his covering letter published in the same issue: &amp;quot;I send you three drawings of this new art, which were impressed at once on box-wood, and therefore are fit for the graver, without any other preparation. I flatter myself that this process may be useful to carvers and wood engravers, not only to those who cut the fine objects of artistical design, but still more to those who cut patterns and blocks for lace, muslin, calico-printing, paper-hanging, &amp;amp;c., as by this simple means the errors, expense, and time of the draughtsman may be wholly saved, and in a minute or two the most elaborate picture or design, or the most complicated machinery, be delineated with the utmost truth and clearness.&amp;quot;&lt;br /&gt;&lt;br /&gt;&lt;/p&gt;
&lt;p&gt;Gernsheim states in his &lt;em&gt;History of Photography&lt;/em&gt; that&amp;#0160; the first  photographic camera ever made for sale to the public was advertised by  Francis West, an optician of 83 Fleet Street, London, and published in  this issue.&amp;#0160; &amp;#0160;&lt;/p&gt;
&lt;p&gt;Bird later reworked these sections of &lt;em&gt;the Mirror &lt;/em&gt;into elements of and a chapter in his &lt;em&gt;Elements of Natural Philosophy&lt;/em&gt;;  (being an experimental introduction to the study of the physical  sciences; revised and enlarged third London edition, Philadelphia: Lea  &amp;amp; Blanchard, 1848). This article was reproduced in the &lt;em&gt;Journal of the Franklin Institute &lt;/em&gt;in  September 1839 as &amp;quot;Observations on the Application of Heliographic or  Photogenic Drawing to Botanical Purposes; with an account of an economic  mode of preparing the Paper: &amp;quot;in a Letter to the Editor of the magazine  of Natural History&amp;quot;.&lt;/p&gt;
&lt;p&gt;[Offered for sale in our books for sale section, &lt;a href="http://longstreet.typepad.com/books/2012/01/the-first-published-photographic-image-or-sunpicture-illustrating-an-excellent-collection-of-extremely-early-papers-on-phot.html" target="_self"&gt;here&lt;/a&gt;.]&lt;/p&gt;</content:encoded>


<category>Photography, history</category>
<category>Prints--looking HARD/deeply at</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Mon, 23 Jan 2012 15:24:17 -0500</pubDate>

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<title>Foucault's Pendulum, 1851</title>
<link>http://longstreet.typepad.com/thesciencebookstore/2012/01/foucaults-penulum-1851.html</link>
<guid isPermaLink="true">http://longstreet.typepad.com/thesciencebookstore/2012/01/foucaults-penulum-1851.html</guid>
<description>JF Ptak Science Books [Quick Post in the History of Lines series] "That was when I saw the Pendulum. The sphere, hanging from a long wire set into the ceiling of the choir, swayed back and forth with isochronal majesty.....</description>
<content:encoded>&lt;p&gt;JF Ptak Science Books&amp;#0160;&amp;#0160; [&lt;em&gt;Quick Post in the &lt;/em&gt;History of Lines&lt;em&gt; &lt;a href="http://longstreet.typepad.com/thesciencebookstore/history-of-lines/" target="_self"&gt;series&lt;/a&gt;&lt;/em&gt;]&lt;em&gt;&lt;br /&gt;&lt;/em&gt;&lt;/p&gt;
&lt;p style="padding-left: 30px;"&gt;&amp;quot;That was when I saw the Pendulum. The sphere, hanging from a long wire set into the ceiling of the choir, swayed back and forth with isochronal majesty.. .The time it took the sphere to swing from end to end was determined by an arcane conspiracy between the most timeless of measures: the singularity of the point of suspension, the duality of the plane&amp;#39;s dimensions, the triadic beginning ofn, the secret quadratic nature of the root, and the unnumbered perfection of the circle itself... Were its tip to graze, as it had in the past, a layer of damp sand spread on the floor of the choir, each swing would make a light furrow...&amp;quot;--Umberto Eco, &lt;em&gt;Foucault&amp;#39;s Pendulum.&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;I&amp;#39;ve uploaded an interesting recrod to the books for sale section of this blog on the great experiment of Leon Foucault (1819-1868), who was the first to actually demonstrate the rotation of the Earth, doing so with a very simple, extraordinarily elegant experiment involving a heavy brass bob suspended from a long cable--a pendulum that was unencumbered and free to swing along any plane.&amp;#0160; It is the curvature of the Earth that allows the tip of the bob to make its pattern, and it is the fact that the Earth is rotating under the moving pendulum that allows it to be tracing this path at all--it is also tells the difference between living on a sphere and living on a plane.&amp;#0160;&lt;/p&gt;


&lt;div&gt;
&lt;div style="width: 302px;"&gt;&lt;a href="http://en.wikipedia.org/wiki/File:Pendule_de_Foucault.jpg"&gt;&lt;img alt="" height="225" src="http://upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Pendule_de_Foucault.jpg/300px-Pendule_de_Foucault.jpg" style="display: block; margin-left: auto; margin-right: auto;" width="300" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;[The original experiment used a 5k bob hanging from a basement ceiling of about 2 meters; in just a bit, Foucault would move the experiment/demonstration to the Pantheon in Paris, using a 28k bob suspended from a 67 meter cable.]&lt;/p&gt;
&lt;p&gt;Foucault, Jean Bernard Leon.&amp;#0160; &amp;quot;Physikalischer Beweis von der Axendrehung der Erde mittelst des Pendels&amp;quot;.&amp;#0160; In &lt;em&gt;Annalen der Physik&lt;/em&gt;,  Leipzig, Johann Ambrosius Barth, 1851, volume 82. We offer the entire  volume of the half-year, the Foucault paper occupying pp 458-462.&amp;#0160; This  is the first appearance in German (following the French publication in  the &lt;em&gt;Comptes Rendus&lt;/em&gt; on 3 February 1851) of Foucault&amp;#39;s great and marvelous experiment and proof of the rotation of the Earth. [Available&lt;a href="http://longstreet.typepad.com/books/2012/01/foucaults-great-experiment-the-first-appearance-in-german.html" target="_self"&gt; here&lt;/a&gt;.]&lt;/p&gt;
&lt;p&gt;Here&amp;#39;s an animation of the movement of the pendulum&lt;/p&gt;
&lt;div&gt;
&lt;div style="width: 252px;"&gt;&lt;a href="http://en.wikipedia.org/wiki/File:Foucault-rotz.gif"&gt;&lt;img alt="" height="188" src="http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/Foucault-rotz.gif/250px-Foucault-rotz.gif" width="267" /&gt;&lt;/a&gt;
&lt;div&gt;
&lt;div&gt;&lt;a href="http://en.wikipedia.org/wiki/File:Foucault-rotz.gif" title="Enlarge"&gt;&lt;img alt="" height="11" src="http://bits.wikimedia.org/skins-1.18/common/images/magnify-clip.png" width="15" /&gt;&lt;/a&gt;&lt;/div&gt;
Animation of a Foucault pendulum at the Pantheon in Paris (48°52&amp;#39;  North), with the Earth&amp;#39;s rotation rate greatly exaggerated. The green  trace shows the path of the pendulum bob over the ground (a rotating  reference frame), while the blue trace shows the path in a frame of  reference rotating with the plane of the pendulum. [Animated graphic via Wiki, &lt;a href="http://en.wikipedia.org/wiki/Foucault_pendulum" target="_self"&gt;here&lt;/a&gt;.]&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;&amp;#0160;&lt;/p&gt;</content:encoded>


<category>History of Lines</category>
<category>Physics</category>

<dc:creator>John F. Ptak</dc:creator>
<pubDate>Mon, 23 Jan 2012 13:13:32 -0500</pubDate>

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