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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 .
Model 161, introduced in 1933. Majestic Radios was an American radio brand from 1927 to 1955, trademarked as "The Mighty Monarchs of the Air". Noted for their high quality, they were initially manufactured by the Grigsby-Grunow Company of Chicago. [1]
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
From 1938 until 2010, the museum was known as the Atwater Kent Museum. The museum occupied architect John Haviland's landmark Greek Revival structure built in 1824–1826 for the Franklin Institute. [2] The Museum operated as a city agency as part of Philadelphia's Department of Recreation.
The first mass-produced electric ignition was the Delco ignition system, which was introduced in the 1910 Cadillac Model 30. In 1921, Arthur Atwater Kent Sr invented the competing Unisparker ignition system. [2] By the 1980s and 1990s, distributors had been largely replaced by electronic ignition systems.
Here's what 30-second Super Bowl ads have cost through the years: Super Bowl I, 1967 – $37,500. Super Bowl II, 1968 – $54,500. Super Bowl III, 1969 – $55,000. Super Bowl IV, 1970 – $78,200.
30. Do away with surprise birthday parties. Credit: Getty Images. There's nothing many pet parents love more than an excuse to celebrate their adored fur friend and that often means throwing them ...
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 ...