5 Aug
2014
5 Aug
'14
2:27 p.m.
On 08/05/2014 02:06 PM, Paul Koning wrote:
My father had some ham radio related device with a one inch CRT in
it. That basically looked like a 6L6 with a white top ? including
having an octal socket (8 pins). That?s even harder than the device
you described.
Very handy for a modulation checker. I've got a couple of circuit
diagrams using one kicking around on my bookshelf.
Remember when an oscilloscope was called a "cathode ray oscillograph"?
--Chuck