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Philco (an acronym for Philadelphia Battery Company) [1] is an American electronics manufacturer headquartered in Philadelphia. Philco was a pioneer in battery, radio, and television production. In 1961, the company was purchased by Ford and, from 1966, renamed "Philco-Ford". Ford sold the company to GTE in 1974, and it was purchased by Philips ...
Sylvania Model 4P14 (1961) radio, made of plastic Sylvania was a major manufacturer of vacuum tubes until the early 1980s Vacuum tube cartons displaying two generations of Sylvania branding SG7460 (7400 series) integrated circuit manufactured by Sylvania
The TRANSAC S-2000/Philco 210/211 weighed about 2,000 pounds (910 kg). [19] By 1964, eighteen Model 210, eighteen Model 211 and seven Model 212 systems had been sold. [12] After Philco was purchased by Ford Motor Company, the Model 212 was introduced in 1962 [20] and released in 1963. It had 65,535 words of 48-bit memory.
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.
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]
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This summer, “Game of Thrones” star Sophie Turner was spotted poolside in the Côte d’Azur wearing a set of blue and white striped pajamas; while model Joan Smalls wore a black and white ...
Some low-power reflex klystrons such as the 2K25 and 2K45 had small-diameter rigid coaxial outputs parallel to octal base pins. To accommodate the coax, one contact was replaced by a clearance hole. Vacuum tubes for high-power applications often required custom socket designs. A jumbo four-prong socket was used for various industrial tubes.