Back in the 50's when I was still in high school, there was a local TV shop
that threw many of their irreparable TV chassis, mostly ones taken on
trade-in, out into a dump pile. They would let us pick through the stuff
and we could usually have anything we wanted. I got many power transformers
and tubes that way. I could have collected zillions of black beauties with
the colour bands, since that seemed to be the most common type of caps in
old TV sets of that era. (20-20 hindsight!).
Most of the time I discarded the black beauties in particular because they
often had cracks in the plastic with oil dripping out, and they seemed to me
to crap out more often than the old fashioned wax impregnated cardboard
tubular types. Of course we are talking about caps that had seen thousands
of hours of service before the TV finally gave up the ghost, and then used
in ham applications that no doubt exceeded their intended specs.
Don K4KYV
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