Amazing Signed Thomas A. Edison Patent 1888 Letter for Phonogram Blanks: “…to prosecute an application for an application for a patent”

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“Genius is one percent inspiration and ninety nine percent perspiration.”

-Thomas Edison

Thomas Edison was born February 11, 1847, and is considered to be the greatest inventor the world has ever known. Both an American inventor and entrepreneur, he has developed devices that have greatly influenced life around the world. Edison's phonograph created todays music industry, his motion picture camera created our incredible film industry, and the long-lasting practical electric light bulb made it possible for all industries to flourish even when light wasn't available.

Edison was a prolific inventor, who held 1,093 US patents in his name, as well as many patents in the UK, France, and Germany.

Despite losing much of his hearing when he was a child, Thomas A. Edison invented the"phonogram”in 1877 to record sounds and play them back. After he designed it, he asked his employee John Kruesi to make the machine from his sketch.When Kruesi asked what it was for, Edison told

him,and Kruesi thought the idea absurd. When it was finished, Edison put tin foil on a cylinder, which would record the movements of the diaphragm with a stylus. He shouted into the mouthpiece, "Mary had a little lamb," and when he adjusted it for playback, the machine reproduced the sound perfectly, startling both Edison and his craftsman.

In 1878,Edison traveled to Washington to demonstrate his machine for President Rutherford B. Hayes

This is an extraordinary document that should be in a museum somewhere. It features a rarely seen full signature from “Thomas Alva Edison.” In this Letter Thomas Edison Seeks a Patent for Phonogram-Blanks in Canada at the Birth of the Recorded Voice "Thomas Alva Edison... lnventor, hereby appoints Richard N. Dyer and Henry W. Seely...his attorneys... to prosecute an application for a patent for new and useful Improvements in Phonogram-Blanks...."

Dated Aug 24, 1888, this Typed historical document sits next to a photo of Thomas Edison and centered below them is one of Edison’s favorite quotes.

“Genius is one percent inspiration and ninety nine percent perspiration.”

-Thomas Edison

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