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Arthur Atwater Kent Sr. (December 3, 1873 – March 4, 1949) was an American inventor and prominent radio manufacturer based in Philadelphia. In 1921, he patented the modern form of the automobile ignition coil .
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.
By the 1929 model year, Philco was in third place behind Atwater Kent and Majestic (Grigsby-Grunow Corp) in radio sales. In 1930, the company sold 600,000 radios, grossed $34 million, and was the leading radio maker in the country. By 1934, they had captured 30% of the domestic radio market. [9] A Philco 90 "cathedral" style radio from 1931
In 1925 the Atwater Kent Manufacturing Company became the largest maker of radios in the nation. Supporting the manufacture of radios was The Atwater Kent Hour, a program broadcast throughout the country in the mid-1920s. The show featured top entertainment and became one of the most popular and acclaimed regular radio programs of the era.
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 ...
The company was renamed Kolster-Brandes Ltd. after the American parent company merged with the Kolster Radio Corporation. In 1930 the company supplied 40,000 of its Masterpiece two-valve, bakelite cabinet radios to the Godfrey Phillips tobacco company, who gave them away to customers in exchange for cigarette coupons. [1]
Generator systems have been found to have cracks at the V.C. Summer nuclear plant north of Columbia. Generators are important to prevent nuclear meltdowns in an emergency.
Ad for an Atwater Kent radio receiver in the Ladies' Home Journal (September, 1926) 1916: First regular broadcasts on 9XM (now WHA) – Wisconsin state weather, delivered in Morse Code; 1919: First clear transmission of human speech, (on 9XM) after experiments with voice (1918) and music (1917).