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Radio sets from before 1920 are rarities, and are probably military artifacts. Sets made prior to approximately 1924 were usually made on wooden breadboards, in small cupboard style cabinets, or sometimes on an open sheet metal chassis. Homemade sets remained a strong sector of radio production until the early 1930s.
The Boy Scouts have kept the construction of a radio set in their program since the 1920s. A large number of prefabricated novelty items and simple kits could be found through the 1950s and 1960s, and many children with an interest in electronics built one. Building crystal radios was a craze in the 1920s, and again
Majestic radios from the Grigsby-Grunow halcyon era of the late 1920s–early 1930s have become antique radio collectors' items, prized for their craftmanship and appearance. [ 49 ] [ 50 ] Some models, such as the Art Deco -styled model 161 produced in 1933, have been fully restored.
The Wireless Set No. 19 Group, with members virtually worldwide, caters to those who collect, restore and/or operate vintage military communications equipment, with emphasis on the World War II Wireless Set No. 19 radio. Many members are Amateur Radio operators who use the equipment for on-air contacts with others.
Wireless Set No. 31 – Manpack radio set. [8] The US SCR-300 design adapted for British use. Wireless Set No. 33; Wireless Set No. 37 – Short range lightweight transmitter/receiver for use by paratroops. Some components used in S-Phone. Wireless Set No. 38 – Manpack radio set, also produced as an AFV version for use in armoured vehicles to ...
Today it is the site of Marconi Park. It was an early radio transmitter facility built in 1913 and operated by the American Marconi. [44] After the partial failure of transatlantic telegraph cables, the facility was confiscated by the US Navy in January, 1918 to provide vital transatlantic communications during World War I. The New Brunswick ...
Among the top lots are several items that belonged to Presley, including a microphone from the performer's Las Vegas residency, a pill bottle marked March 1977, and two unique gold rings, which ...
A tuned radio frequency receiver (or TRF receiver) is a type of radio receiver that is composed of one or more tuned radio frequency (RF) amplifier stages followed by a detector (demodulator) circuit to extract the audio signal and usually an audio frequency amplifier. This type of receiver was popular in the 1920s.
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