Edisonsfirstpatent
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 Edison 2 - Drawing. Public domain image.
Light bulb patent application. Photolithography reproduction. Public domain photograph of electrical equipment, power lines, engine, free to use, no copyright restrictions image - Picryl description
Patent drawing - 1255517 Starting and current supplying system for aut...
U.S. Patent 1,255,517, Thomas Edison, Starting and current supplying system for automobiles
Patent drawing - 248565-Webermeter - . Public domain image
U.S. Patent 248,565 - Thomas Edison - Webermeter (water splitting)
Patent drawing - Pat196747 - . Public domain image
Stencil-Pens
Patent drawing - US970616-Figure 1 - . Public domain image
Deutsch: Flugmaschiene von Thomas A. EdisonEnglish: Flying-machine by Thomas A. Edison User:MichaelFrey/US970616
Patent drawing - US970616-Figure 2 - . Public domain image
Deutsch: Flugmaschiene von Thomas A. EdisonEnglish: Flying-machine by Thomas A. Edison User:MichaelFrey/US970616
T A Edison 1stPatent - A black and white photo of a train engine
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。
The fireside university of modern invention, discovery, industry and a...
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
Light bulb Edison 2 (cropped)
Light bulb patent application. Photolithography reproduction.
Light bulb Edison 3
The light bulb; patent application. Photolithography reproduction. (Cropped).
Edisonfluorescent
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).