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Thomas Edison Reference Libraries

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Kinetoscope
2010-10-27 22:37:47

The Kinetoscope is an early motion picture device although not a movie projector. It is designed to be viewed by an individual through a window of a cabinet housing its components. It works by creating the illusion of movement by conveying a strip of perforated film bearing sequential images over a light source with a high-speed shutter. Thomas Edison was the first to describe it in conceptual...

Electric Chair
2010-10-26 18:09:56

Execution by electrocution, started in the United States, is an execution method in which the person being killed is strapped to a specially built wooden chair and electrocuted through electrodes placed on the body. Although its use is in decline the electric chair has become a symbol of the death penalty even though it was only used in the United States and briefly in the Philippines. The...

Vitascope
2010-10-07 11:54:11

Charles Francis Jenkins and Thomas Armat created the Vitascope, an early film projector, in 1895. They demonstrated the Vitascope at the Cotton States Exposition in Atlanta, they called it the Phantoscope. Armat and Jenkins fought over the rights to the invention and eventually Armat, with legal authority, sold the rights to the Kinetoscope Company. The company eventually approached Thomas...

Telephone
2010-10-04 16:28:51

The telephone is a telecommunications device that transmits and receives sound generally the human voice. The phone's basic function is to allow people who are separated by large distances to talk with each other. The telephone is used across the world and is one of the most common appliances in the developed world. The phone is designed to have a microphone, an ear piece which reproduces...

Incandescent Light Bulb
2010-09-29 16:52:36

The incandescent light bulb provides a source of electric light through incandescence. The bulb works by passing current through a filament which heats to a temperature that produces light. The glass bulb that contains the filament prevents oxidation of the hot filament. The bulbs are also called electric lamps. Incandescent bulbs come in a various sizes and voltages. They can range from...

Tesla Nikola
2009-07-17 15:59:58

Nikola Tesla (b. July 10, 1856 - d. January 7, 1943) was a mechanical and electrical engineer as well as an inventor. Tesla was born in the village of Smiljan, Vojna Krajina, which is within the territory of today's Croatia. He was an born an ethnic Serb and was a subject of the Austrian Empire, before becoming an American citizen. He is often considered one of the most important contributors...

Woods Granville T
2009-04-23 12:34:28

Granville T. Woods was an African American inventor. He was born in Columbus, Ohio on April 23, 1856 and died in New York on January 30, 1910. Woods devoted his life to discovering new ways of improving an array of things specific to the railroad industry. More than a dozen devices to improve electric railway cars were invented by Woods, as well as many more for controlling the flow of...

Word of the Day
saggar
  • A ceramic container used inside a fuel-fired kiln to protect pots from the flame.
The word 'saggar' may come from 'safeguard'.
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