In rec.radio.amateur.boatanchors Steven Swift wrote:
Googling around the net hasn't turned up a schematic for a
Sylvania Type 300 Oscilloscope Calibrating Standard. While the
circuit is quite simple, I'd like to see a real schematic.
TIA,
You might post to the Test Equipment list at qth.com. The folks there
seem to have an endless stock of manuals and schematics.
--
Mike Andrews, W5EGO
Tired old sysadmin