Electrographic Vote-Recorder, Thomas Edison's first patent. Permitted a "yes" or "no" vote via one of two switches. Washington congressmen were not interested in the device and the invention was a failure. (18 More
Light bulb patent application. Photolithography reproduction. Public domain photograph of electrical equipment, power lines, engine, free to use, no copyright restrictions image - Picryl description
U.S. Patent 1,255,517, Thomas Edison, Starting and current supplying system for automobiles
U.S. Patent 248,565 - Thomas Edison - Webermeter (water splitting)
Stencil-Pens
Deutsch: Flugmaschiene von Thomas A. EdisonEnglish: Flying-machine by Thomas A. Edison User:MichaelFrey/US970616
Thomas Elba Edison's first patented invention, an Electric Voting Machine. 湯馬士．艾爾巴．愛迪生第一件嘅專利發明品－－－電氣投票紀錄機。議員只要按檯上面嘅「贊成」或「反對」制，議長就可以睇到票決結果嘅數字。但冇實際用應到。
Edison's x-ray lamp Identifier: firesideuniversi01mcgo (find matches) Title: The fireside university of modern invention, discovery, industry and art for home circle study and entertainment Year: 1902 (1900s) More
The light bulb; patent application. Photolithography reproduction. (Cropped).
This is a picture of the fluorescent lamp by Thomas A. Edison from his U.S. Patent No. 865,367 (Application granted in September 10, 1907).