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2661 Bydžovský, provisional designation 1982 FC 1, is an asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 23 March 1982, by Czech astronomer Zdeňka Vávrová at the South Bohemian Kleť Observatory in the Czech Republic. [ 4 ]
Edison would take full credit for the invention, but the historiographical consensus is that the title of creator can hardly go to one man: While Edison seems to have conceived the idea and initiated the experiments, Dickson apparently performed the bulk of the experimentation, leading most modern scholars to assign Dickson with the major ...
Some of the principles of this apparatus were described when Vladimir Zworykin filed two patents for a television system in 1923 and 1925. [ 1 ] [ 2 ] A research group at Westinghouse Electronic Company headed by Zworykin presented the iconoscope to the general public in a press conference in June 1933, [ 3 ] and two detailed technical papers ...
Link trainer in use at a British Fleet Air Arm station in 1943. The term Link Trainer, also known as the "Blue box" and "Pilot Trainer" [1] is commonly used to refer to a series of flight simulators produced between the early 1930s and early 1950s by Link Aviation Devices, founded and headed by Ed Link, based on technology he pioneered in 1929 at his family's business in Binghamton, New York.
The screen continued to move until it hid the picture or text again. Later tachistoscopes used a shutter system typical of a camera in conjunction with a slide or transparency projector . Even later, tachistoscopes used brief illumination, such as from fast-onset and fast-offset fluorescent lamps , of the material to be displayed.
The shadow mask is installed to the screen using metal pieces [348] or a rail or frame [349] [350] [351] that is fused to the funnel or the screen glass respectively, [256] holding the shadow mask in tension to minimize warping (if the mask is flat, used in flat-screen CRT computer monitors) and allowing for higher image brightness and contrast.
26th Street Pictures is an American film production company founded by Chris Columbus, Mark Radcliffe and Michael Barnathan in 1994 as 1492 Pictures. [1] The name is a play on Columbus's more famous namesake, Christopher Columbus , and his 1492 landing in the Americas . [ 2 ]
Peter Pirsch & Sons was a firefighting apparatus manufacturer in Kenosha, Wisconsin, United States, between 1900 and 1984. It was claimed to be the first producer of modern, motorized fire engines in the United States. [1] [2]