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RE: Thordarson and Halldorson catalogs frustrate as they changed the numbers on their wares every 5 minutes~nT

I have not studied Haldorson. Thordarson did change nomenclature in the 30s adding letters to the numbers indicating the type of transformer. "R" for power, "S" for output, etc. Otherwise, at least the ones I have studied, the number stays the same. So, the T-9013 output transformer became the T-90S13 output transformer. Not too hard to cross usually.


Crazy Eric

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  • RE: Thordarson and Halldorson catalogs frustrate as they changed the numbers on their wares every 5 minutes~nT - Crazy Eric 09:39:25 01/17/16 (0)
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