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Author Topic: Looking for info on Thordarson 21P87 transformer  (Read 4491 times)
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« on: March 07, 2005, 08:19:54 PM »

Maybe somebody out there can help me. I have a Thordarson 21P87 transformer that I don't know how to connect. I suspect it is a plate transformer, 120 V primary, but before I burn it I rather ask. It looks from the 50's, maybe 60's.


Marc N2UO
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