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Summary
Identifier: CollectionUniteVol2Edis (find matches)
Title: Collection of United States patents granted to Thomas A. Edison, 1869-1884
Year: 1869 (1860s)
Authors: Edison, Thomas A. (Thomas Alva), 1847-1931 Peters, N. (Norris), lithographer Hammer, William Joseph, 1858-1934, former owner. DSI Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI United States. Patent Office
Subjects: Catalogs Patents Edison, Thomas A. (Thomas Alva), 1847-1931 Inventions Telegraph Electric machinery Electric apparatus and appliances Phonograph Telephone Motors Catalogs Patents Catalogs Patents Catalogs
Publisher: Washington, D.C. : U.S. Patent Office
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
Text Appearing Before Image:
rrounding the arma-ture, and open only at the ends of such arma-ture, in combination with a blower forcing airthrough said chamber, substantially as setforth. 3 4. The combination, with the core of the ar-mature of a dynamo or magneto electric ma-chine, of the inductive bars and means for sup-porting each of said bars, so placed that eachbar is separated from the armature-core, a 3space being left entirely around each bar, sub- jstantially as set forth. 5. Iu a dynamo or magneto electric machine,the combination of the inductive bars support-ed off of the armature and separated from each 41other with a blower for forcing air into thespatje between the armature and the polar ex-tensions of the exciting magnet or magnets,substantially as set forth. This specification signed and witnessed this 4;24th day of August, 1881. THOMAS A. EDISON. Witnesses: Eichd. K. Dyer,H. W. Seely. (No Model.) T. A. EDISON. REGULATOR FOR DYNAMO OR MAGNETO ELECTRIC MACHINES. No. 263,134. Patented Aug. 22, 1882.
Text Appearing After Image:
aw N. PETERS. Photo-Lithographer. Washington. D. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. REGULATOR FOR DYNAMO OR MAGNETO ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 263,134, dated August 22, 1882. Application filed May 28, 1881. (No model.) To all whom it may concern : Be it known that I, Thomas A. Edison, ofMenlo Park, in the county of Middlesex andState of New Jersey, have invented a new and5 useful Improvement in Dynamo and MagnetoElectric Machines, (Case No. 314:) and I dohereby declare that the following is a full andexact descript ion of the same, reference beinghad to the accompanying drawings, and to theio letters of reference marked thereon. The object I have in view is to produce sim-ple and efficient means for regulating the gen-; erative force of a dynamo or magneto electricmachine, so that only the amount of current15 needed in a circuit may be sup
Thomas Edison, 1847-1931, is credited with the development of many important inventions and technologies. Some of his most notable patents and inventions include: - The light bulb: Edison's most famous invention, the light bulb, revolutionized the way we light our homes and businesses. He worked for many years to perfect the design of the light bulb, and his efforts ultimately led to the development of a practical, long-lasting, and commercially viable electric light. - The phonograph: Edison's phonograph was the first device to successfully record and reproduce sound. The phonograph used a cylinder coated with a substance that could be etched by sound waves to record audio, and a needle to play it back. This invention paved the way for the development of the modern record player and other audio recording and playback technologies. - The motion picture camera: Edison's motion picture camera, also known as the kinetograph, was the first device to successfully capture moving images on film. The kinetograph used a series of rapidly rotating lenses to record a series of still images, which could then be played back in rapid succession to create the illusion of motion. This invention laid the foundation for the modern film industry. - The electric pen: Edison's electric pen was an early precursor to the modern-day tattoo machine. The device used a needle that was rapidly vibrated by an electric motor to create a series of punctures in a sheet of paper. This allowed users to easily create multiple copies of a document using a technique known as stenciling. - The electric vote recorder: Edison's electric vote recorder was an early voting machine that was designed to automate the process of tallying and recording votes in elections. The device used a series of levers that could be activated by voters to indicate their choices, and a mechanism to tally the results and display them on a dial. This invention was intended to improve the accuracy and efficiency of the electoral process.