Tech's Filing Cabinet Miscellaneous General Electric RCA Tube Tech Semi Tech Audio Radio Components

Data and application notes from Allen B. Dumont.

Dumont 193- Cathode Ray Tubes - Oscillographs A catalog of CRTs and associated parts and equipment from Allen B. Dumont Labs. No date, but probably 1933 or 1934, since the address is Dumont's home in Montclair, N.J.