Allen B. DuMont
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Allen Balcom DuMont was an American electronics engineer, scientist, and inventor who improved the cathode-ray tube in 1931 for use in television receivers. Seven years later he manufactured and sold
DuMont 164 Oscillograph (1939-40), an early general purpose oscilloscope
Magic Eye tube used for tuning in a 1939 Mission Bell Model 410 radio. (green glow)
Allen B. DuMont Laboratories
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Allen B. DuMont Laboratories, Inc. was an American television equipment manufacturer and broadcasting company. At one point it owned TV stations WABD, KCTY, W2XVT, KE2XDR, & WDTV, as well as WTTG, all
Allen B. DuMont
…life of 25 to 30 hours. DuMont's invention of the first long-lasting cathode-ray tube made television commercially viable. He started his own company, Allen B. DuMont Laboratories, in the basement of his Upper Montclair, NJ home, building long-lasting cathode-ray tubes. In 1931, he sold two tubes to two college science laboratories…
Dual-beam cathode ray oscilloscope type 322-A, Du Mont Laboratories, early 1950s