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The earliest radio programs of the 1920s were largely unsponsored; radio stations were a service designed to sell radio receivers. In early 1922, American Telephone & Telegraph Company (AT&T) announced the beginning of advertisement-supported broadcasting on its owned stations, and plans for the development of the first radio network using its ...
Chrysler and Philco announced an all-transistor car radio in the April 28, 1955, edition of the Wall Street Journal. [1] This Philco car radio model was the first tubeless auto set in history to be developed and produced. [2] It was a $150 option for 1956 Chrysler and Imperial cars and hit the showroom floor on October 21, 1955. [3] [4] [5]
One of the company's products was the "Recordio", introduced in 1939. It enabled the consumer to make home 78 rpm phonograph records, even recording off-the-air radio programs with the included AM radio. In 1948, Wilcox-Gay introduced the "Recordette", a portable version of the combination recorder, radio, and phonograph. [39]
However, some very early (c. 1928–1931) radio programs were on sets of 12-inch or even 10-inch (25 cm) 78 rpm discs, and some later (circa 1960–1990) syndicated radio programs were distributed on 12-inch 33 + 1 ⁄ 3 rpm microgroove vinyl discs visually indistinguishable from ordinary records except by their label information.
When radio was introduced in the early 1920s, many predicted it would kill the phonograph record industry. Radio was a free medium for the public to hear music for which they would normally pay. While some companies saw radio as a new avenue for promotion, others feared it would cut into profits from record sales and live performances.
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Hyam Greenbaum and the BBC Television Orchestra in a test broadcast from Alexandra Palace television station to audiences at Radiolympia. Radiolympia, also known as the Radio Show, was a pioneering exhibition of radio equipment, latterly television equipment, held annually at Olympia in London, England, in the 1920s to 1940s, [1] [2] except for a period of interruption during World War II.
The KLH Model Eight FM table radio, circa 1960. A table radio is a small, self-contained radio receiver used as an entertainment device. Most such receivers are limited to radio functions, though some have compact disc or audio cassette players and clock radio functions built in; some models also include shortwave or satellite radio functionality.