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Ad for an Atwater Kent Radio receiver in the Ladies' Home Journal (September, 1926) Ad for Atwater Kent Radio Model 35, 1927. In 1921, Kent produced his first radio components, selling the do-it-yourself kits consisting of "breadboards" that could be assembled by early radio enthusiasts. [3] The same year, he introduced the Model 5, primarily ...
The AN/ARC-5 Command Radio Set is a series of radio receivers, transmitters, and accessories carried aboard U.S. Navy aircraft during World War II and for some years afterward. It is described as "a complete multi-channel radio transmitting and receiving set providing communication and navigation facilities for aircraft.
The term All American Five (abbreviated AA5) is a colloquial name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude modulation (AM) broadcasts in the medium wave band, and were manufactured in the United States from the mid-1930s until the early 1960s.
This 1920s TRF radio manufactured by Signal is constructed on a breadboard Tuning a TRF receiver, like this 5 tube Neutrodyne set from 1924 with two stages of RF amplification, was a complicated process. The three tuned circuits, controlled by the 3 large knobs, had to be tuned in unison to the new station.
At the time RCA was founded in 1919, all radio and telegraphic communication between China and the US, including official messages, were sent through either German radio or British cable links. The U.S. Navy lobbied RCA to seek a concession for a radio link to China, however the company was reluctant because its other concessions were already ...
Spark Museum Light Bulbs Spark Museum AC DC Exhibit. The museum began in 1985 as an informal collection of radio sets, spare parts, schematics, recordings, and vintage magazines and manuals owned by a Bellingham resident, Jonathan Winter [1] Winter's collection continued to grow, and by 1998, the Bellingham Antique Radio Museum was officially established, with the more than 800 radio sets from ...
Low-frequency radio range audio signals: N stream, A stream and combined uniform tone (simulated sounds) The low-frequency radio range, also known as the four-course radio range, LF/MF four-course radio range, A-N radio range, Adcock radio range, or commonly "the range", was the main navigation system used by aircraft for instrument flying in the 1930s and 1940s, until the advent of the VHF ...
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