Early Electronic Television
Pre-1945 Television Test Equipment
Test equipment from 1939 RCA Broadcast Equipment Catalog
This oscilloscope was made in 1939 by Philco for repair of pre-1945 TV sets. Here are a manual and schematic.
Courtesy of Chuck Azzalina
From 1939 Philco RMS Yearbook
From a 1940 RCA parts catalog
Pye 1938 Signal Generator
Courtesy of Jon Evans and Phil Marrison
1938 advertisement
(Courtesy of Frank Philipse)