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What Did Benjamin Franklin Invent? Much More Than Bifocals

What Did Benjamin Franklin Invent? Much More Than Bifocals

Between running a print shop, engineering the U.S. postal system, and helping sow the seeds of the American Revolution, Benjamin Franklin also found time to draw up a vast collection of new devices. What are some of his most enduring inventions?

howstuffworks.com4 个月之前

Benjamin Franklin Biography

Franklin and Revolution | Benjamin Franklin | Ken Burns | PBS

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The Eventful Life of Benjamin Franklin

The Eventful Life of Benjamin Franklin

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Did Benjamin Franklin really discover electricity with a kite and key?

Did Benjamin Franklin really discover electricity with a kite and key?

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2021年12月28日

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Kids History: Ben Franklin and His Kite

Kids History: Ben Franklin and His Kite

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Benjamin Franklin

Benjamin Franklin

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Benjamin Franklin’s Inventions

Benjamin Franklin’s Inventions

Benjamin Franklin Inventions

Franklin and Innovation | Benjamin Franklin | Ken Burns | PBS

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Benjamin Franklin and the Invention of the Lightning Rod | SciHi Blog

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