Thread: Dead Batteries
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Old 09-08-19, 16:13
Chris Suslowicz Chris Suslowicz is offline
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Join Date: May 2007
Location: England
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Quote:
Originally Posted by Wayne Hingley View Post
David; do you remember where you got the replacement insulator plates, or what that material is called? One of mine had deteriorated on one end. I did a temporary repair to it, but would like to replace them with new ones.

So far no problems with battery drain... Rob nailed it!
The insulating material looks like Tufnol (synthetic resin bonded fabric).

(The old "circuit board" is similar but uses paper instead of cloth as the matrix, but it's the same "Phenolic Resin" binder for the brown variety.)

http://ahistoryoftufnol.org/whatistufnol/

Birmingham: city of a thousand trades - some of which are still operating.

Chris.
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