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My guess would be Silver Mica Capacitors
103.7 +3.70%203.0 +1.50%302.9 +0.96%403.0 +0.75%503.7 +0.74%604.3 +0.72%703.4 +0.49%804.1 +0.51%904.7 +0.52%1004.7 +0.47%1.003 +0.30%2.009 +0.45%3.017 +0.57%4.006 +0.15%5.007 +0.14%6.015 +0.25%7.020 +0.29%8.021 +0.26%9.028 +0.31%10.026 +0.20%10.07 +0.70%20.12 +0.60%29.85 -0.50%39.75 -0.63%49.83 -0.34%59.87 -0.22%69.57 -0.61%79.69 -0.39%89.73 -0.30%99.79 -0.21%
Testing with a DE-5000 suggest they are still within spec.
I'd say they were mica caps, they look like old micas. Being used in a substitution box they need to be accurate and stable. I seem to remember most of the paper caps were cylindrical and as reliable as a 2 week weather forcast.
Quote from: Z80 on July 19, 2018, 11:50:44 amI'd say they were mica caps, they look like old micas. Being used in a substitution box they need to be accurate and stable. I seem to remember most of the paper caps were cylindrical and as reliable as a 2 week weather forcast.Yeah, my bad. Paper ones were always cilindrical, you could see the layers from the sides. It was fun unrolling them, that's about all they were good for