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Milestones:Book “Experiments and Observations on Electricity” by Benjamin Franklin, 1751

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<p>''Book "Experiments and Observations on Electricity" by Benjamin Franklin, 1751&nbsp;'' </p>
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''Book "Experiments and Observations on Electricity" by Benjamin Franklin, 1751&nbsp;''  
  
<p>''In April 1751 the Royal Society published [[Benjamin Franklin|Benjamin Franklin's]] book, "Experiments and Observations on Electricity: Made in Philadelphia in America." A collection of letters to London's Peter Collinson, it described Franklin's ideas about the nature of electricity and how electrical devices worked, and new experiments to investigate lightning.'' </p>
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''In April 1751 the Royal Society published [[Benjamin Franklin|Benjamin Franklin's]] book, "Experiments and Observations on Electricity: Made in Philadelphia in America." A collection of letters to London's Peter Collinson, it described Franklin's ideas about the nature of electricity and how electrical devices worked, and new experiments to investigate lightning.''  
  
<p>This book led to a better understanding of charges, stimulated Franklin's work on lightning rods, and made him an internationally known figure. </p>
+
This book led to a better understanding of charges, stimulated Franklin's work on lightning rods, and made him an internationally known figure.  
  
<p>In 1751 Benjamin Franklin published “Experiments and Observations on Electricity, Made at Philadelphia in America.” </p>
+
In 1751 Benjamin Franklin published “Experiments and Observations on Electricity, Made at Philadelphia in America.”  
  
<p>Experiments summarized in this booklet determined the existence of positive and negative charges, and the difference between insulators and conductors. This work led to the invention of the lightening rod. Its complete construction was popularized in Poor Richard’s Almanack in 1753. This is the first practical engineering application of electricity. </p>
+
Experiments summarized in this booklet determined the existence of positive and negative charges, and the difference between insulators and conductors. This work led to the invention of the lightning rod. Its complete construction was popularized in Poor Richard’s Almanack in 1753. This is the first practical engineering application of electricity.  
  
<p>A unifying theory covering static electricity, lightning, and stored charge was invented. Recognition was immediate; Franklin received the Copley Medal in 1753. </p>
+
A unifying theory covering static electricity, lightning, and stored charge was invented. Recognition was immediate; Franklin received the Copley Medal in 1753.  
  
<p>Literally, Franklin invented this in a provincial place when compared to London. The colonies were a backwater. Equipment had to be imported by sailing ship. Until his work was accepted by the Royal Society, it was not accepted knowledge. </p>
+
Literally, Franklin invented this in a provincial place when compared to London. The colonies were a backwater. Equipment had to be imported by sailing ship. Until his work was accepted by the Royal Society, it was not accepted knowledge.  
  
<p>Jean Francois Dalibard experimentally confirmed that that lightning was electricity in Paris in May 1752. Franklin wrote a letter to Joseph Priestly in 1772 that described his 1752 test of using a kite with a key at ground level connected to a Leyden Jar to prove the theory. </p>
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Jean Francois Dalibard experimentally confirmed that that lightning was electricity in Paris in May 1752. Franklin wrote a letter to Joseph Priestly in 1772 that described his 1752 test of using a kite with a key at ground level connected to a Leyden Jar to prove the theory.  
  
<p>Electricity changed from a parlor demonstration to a science. The lightning rod is the engineering achievement connecting science to public safety. Bernard Finn, writing in The Proceedings of the IEEE (Vol. 64, No. 9, September 1976, p.1271) said that, “His own powers of reason led him quickly, by the spring of 1747, to the hypothesis that all matter normally contained a certain amount of electrical fluid, and that the particles of this fluid were attracted to particles of ordinary matter but repelled from each other. Bodies with too much fluid would therefore repel each other; and a body with an excess would be attracted to a body with a deficit. From such a concept arouse the terms positive and negative, plus and minus.” </p>
+
Electricity changed from a parlor demonstration to a science. The lightning rod is the engineering achievement connecting science to public safety. Bernard Finn, writing in The Proceedings of the IEEE (Vol. 64, No. 9, September 1976, p.1271) said that, “His own powers of reason led him quickly, by the spring of 1747, to the hypothesis that all matter normally contained a certain amount of electrical fluid, and that the particles of this fluid were attracted to particles of ordinary matter but repelled from each other. Bodies with too much fluid would therefore repel each other; and a body with an excess would be attracted to a body with a deficit. From such a concept arouse the terms positive and negative, plus and minus.”  
  
<p>The milestone plaque is at the entranceway of the American Philosophical Society Library, 105 South Fifth Street, Philadelphia, Pennsylvania, U.S.A., around the corner from Independence Hall.&nbsp; The American Philosophical Society was founded by Benjamin Franklin in 1743.&nbsp; Its library holds the world's largest collection of Franklin manuscripts.&nbsp; The Society owns a copy of ''Experiments and Observations on Electricity''.&nbsp; [http://www.amphilsoc.org www.amphilsoc.org] </p>
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The milestone plaque is at the entranceway of the American Philosophical Society Library, 105 South Fifth Street, Philadelphia, Pennsylvania, U.S.A., around the corner from Independence Hall.&nbsp; The American Philosophical Society was founded by Benjamin Franklin in 1743.&nbsp; Its library holds the world's largest collection of Franklin manuscripts.&nbsp; The Society owns a copy of ''Experiments and Observations on Electricity''.&nbsp; [http://www.amphilsoc.org www.amphilsoc.org]  
 
<div class="header"><span class="head1">INNOVATION</span><span class="head2">  MAP</span></div>  
 
<div class="header"><span class="head1">INNOVATION</span><span class="head2">  MAP</span></div>  
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Book "Experiments and Observations on Electricity" by Benjamin Franklin, 1751
 
Book "Experiments and Observations on Electricity" by Benjamin Franklin, 1751
 
American Philosophical Society Library, Philadelphia, PA
 
American Philosophical Society Library, Philadelphia, PA
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<p>[[Category:Engineering_profession|{{PAGENAME}}]] [[Category:Engineering_disciplines|{{PAGENAME}}]] [[Category:Electrical_engineering|{{PAGENAME}}]]</p>
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[[Category:Fields, waves & electromagnetics|Franklin]] [[Category:Electromagnetics|Franklin]] [[Category:Scientific tools and discoveries|Franklin]] [[Category:Scientific disciplines|Franklin]] [[Category:Electricity|Franklin]]

Revision as of 12:40, 27 June 2012

Book "Experiments and Observations on Electricity" by Benjamin Franklin, 1751 

In April 1751 the Royal Society published Benjamin Franklin's book, "Experiments and Observations on Electricity: Made in Philadelphia in America." A collection of letters to London's Peter Collinson, it described Franklin's ideas about the nature of electricity and how electrical devices worked, and new experiments to investigate lightning.

This book led to a better understanding of charges, stimulated Franklin's work on lightning rods, and made him an internationally known figure.

In 1751 Benjamin Franklin published “Experiments and Observations on Electricity, Made at Philadelphia in America.”

Experiments summarized in this booklet determined the existence of positive and negative charges, and the difference between insulators and conductors. This work led to the invention of the lightning rod. Its complete construction was popularized in Poor Richard’s Almanack in 1753. This is the first practical engineering application of electricity.

A unifying theory covering static electricity, lightning, and stored charge was invented. Recognition was immediate; Franklin received the Copley Medal in 1753.

Literally, Franklin invented this in a provincial place when compared to London. The colonies were a backwater. Equipment had to be imported by sailing ship. Until his work was accepted by the Royal Society, it was not accepted knowledge.

Jean Francois Dalibard experimentally confirmed that that lightning was electricity in Paris in May 1752. Franklin wrote a letter to Joseph Priestly in 1772 that described his 1752 test of using a kite with a key at ground level connected to a Leyden Jar to prove the theory.

Electricity changed from a parlor demonstration to a science. The lightning rod is the engineering achievement connecting science to public safety. Bernard Finn, writing in The Proceedings of the IEEE (Vol. 64, No. 9, September 1976, p.1271) said that, “His own powers of reason led him quickly, by the spring of 1747, to the hypothesis that all matter normally contained a certain amount of electrical fluid, and that the particles of this fluid were attracted to particles of ordinary matter but repelled from each other. Bodies with too much fluid would therefore repel each other; and a body with an excess would be attracted to a body with a deficit. From such a concept arouse the terms positive and negative, plus and minus.”

The milestone plaque is at the entranceway of the American Philosophical Society Library, 105 South Fifth Street, Philadelphia, Pennsylvania, U.S.A., around the corner from Independence Hall.  The American Philosophical Society was founded by Benjamin Franklin in 1743.  Its library holds the world's largest collection of Franklin manuscripts.  The Society owns a copy of Experiments and Observations on Electricitywww.amphilsoc.org

INNOVATION MAP