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Franklin's Lightning Rod。

Ben Franklin wanted to prove that lightning was electricity, and attempt to protect things from lightning. Learn how this idea became the lightning rod.： 。

Benjamin Franklin's Inventions | The Franklin Institute。

Bifocal lenses, the lightning rod, the Franklin stove, the glass armonica and even urinary catheters were all invented by Benjamin Franklin!： 。

Benjamin Franklin: America's Inventor - HistoryNet。

' John Adams said of him: 'Franklin had a great genius, original, sagacious, and inventive, capable of discoveries in science no less than of improvements in ...。

The Medical World of Benjamin Franklin - NCBI。

In a 1747 letter to his parents, Benjamin Franklin noted ... Most of his inventions provided practical solutions to everyday problems, and Franklin brought ...： 。

Ben Franklin's best inventions and innovations - National ...。

5 天前 · In his day, Benjamin Franklin was Steve Jobs, Thomas Edison, Mark Zuckerberg, and Henry Ford, all rolled into one.： 。

Who Discovered Electricity? | Wonderopolis。

Benjamin Franklin had one of the greatest scientific minds of his time. He was interested in many areas of science, made many discoveries, and invented many ...。

Benjamin Franklin's Inventions - Lemelson Center。

2016年12月16日 · Benjamin Franklin's Inventions ... Benjamin Franklin was one of our nation's founding fathers and one of its most ingenious inventors. Twitter ...： 。

Benjamin Franklin's Inventions Quiz - Pinterest。

How much do you know about the many inventions of Benjamin Franklin? ... The Funnel Of A Tornado Touches Down May 12, 1997 In Miami, Fl. Five.。

Subject-matter Index of Patents for Inventions Issued by the ...。

Newburgh , N. Y June 4 , 1872 127 , 550 T. W. Bracher New York , N. Y June 6 ... Great Britain July 21 , 1868 80 , 181 M. Morse Franklin , Mass Aug.