Matt Mc_Carthy wrote in a message to Roy J. Tellason:

 MMC>> I'm still hanging onto my dead Heathkit 12" B&W that
I assembled 
 MMC>> in 1962.  I used it here and overseas with lots of finicky 
 MMC>> adjustments here and there until 1981 when I returned home.  
 MMC>> When we had lots of 'hurricane warnings in 1982, I dug it out 
 MMC>> and went all through it with the manual and found two resistors 
 MMC>> I'd put into the wrong places!

 RJT> And it worked before that?

 MMC> It worked fine, but was a real pain setting and locking vertical
 MMC> and horizontal. Where I had screwed up 10 years earlier was
 MMC> putting a 10K ohm in the horizontal control circuit, and a 100K in
 MMC> the vertical control circuit.  Once I found that and swapped them,
 MMC> I had plenty of range for adjusting, until it fell over ten
 MMC> minutes later...   :-((

I hate it when that happens...

 MMC> That GRC-104a was the Heathkit Set number, will have to look up
 MMC> the tube number, but it was a rare one even in its time as it had
 MMC> wide deflection (120 degrees?) and a very thin cabinet.

120 degrees for a B&W doesn't sound that wide.  Maybe it is for that
small a size?  Darned if I know.

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