Early Electronic Television
This oscilloscope was made in 1939 by Philco for repair of early electronic TV sets. Here are a manual and schematic.
Courtesy of Chuck Azzalina
From 1939 Philco RMS Yearbook
RCA Model 139 Television Alignment Oscillator
Courtesy of Mary Johnson
From a 1940 RCA parts catalog
Test equipment from 1939 RCA Broadcast Equipment Catalog
1938 advertisement
(Courtesy of Frank Philipse)
