Found in Ron’s 1955 folder, Measurements, Alignment, Signal Tracing.
From the Ron Ramirez Collection
scanned by Bob Coraor(klondike98)RR0228 1955 Philco model 7020 Oscilloscope for Radio-Home Study
Found in Ron’s 1955 folder, Measurements, Alignment, Signal Tracing.
From the Ron Ramirez Collection
scanned by Bob Coraor(klondike98)RR0228 1955 Philco model 7020 Oscilloscope for Radio-Home Study