05-11-2020, 05:23 PM
Reading the old sch is no trickier than a ything of today's, except the tubes symbols that are no longer used as uch, the rest is the same.
They do have mistakes in Riders, so if rewiring, redo the existing wiring by snip-replace, as if you try to trace it using the sch you might make their mistakes.
I highly recommend finding the late Ray Bintliff's book about the Philco caps. I cannot overstate it usefulness and am only remorseful for not buying it 7 years earlier.
Meantime, some info about backelite block caps and other parts can be found at Philco Repair Bench of Chuck Schwark.
They do have mistakes in Riders, so if rewiring, redo the existing wiring by snip-replace, as if you try to trace it using the sch you might make their mistakes.
I highly recommend finding the late Ray Bintliff's book about the Philco caps. I cannot overstate it usefulness and am only remorseful for not buying it 7 years earlier.
Meantime, some info about backelite block caps and other parts can be found at Philco Repair Bench of Chuck Schwark.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
