Quote:
Originally Posted by bgadow
At one point I had a controller (only) for a 50's era Simmons electric blanket. Bakelite case, had a vacuum tube in it. Sold it to somebody on the ARF.
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Vacuum tube - probably a thyratron? I can't imagine the need for a traditional vacuum tube of any sort. 2D21/PL21 tubes were commonly used in controllers in the late 50s/early 60s.
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Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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