12-03-2023, 08:35 PM
To be honest I don't look at the outside edges or whether it's cupped or not to determine the polarity. They all look like non polarized jobs and I just figure it out.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry