Type 6364 photomultiplier
Maker - 1983.081.015.1
The Allen B. DuMont Laboratories was an electronics manufacturing company founded in 1931 in Montclair, NJ by Allen B. DuMont to sell his improved version of the cathode ray tube. Along with selling CRTs, the company began selling oscilloscopes in 1934 In 1938, the company developed the first all-electronic television set for the commercial market. The television division was sold to Emerson Radio in 1958, and the rest of the company was sold to Fairchild Camera in 1960.
Maker - 1983.081.015.1
Maker - 1984.021.002
Maker - 1988.058.004