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After checking out the patent no. 1626391, I misread the number previously.
It was patent in 1927 so I guess it was for TRF receivers, giving them a wider tuning range and perhaps a neater dial cal. Does anyone recall who might have used them? tnx -- 73 Hank WD5JFR "Henry Kolesnik" wrote in message et... Please take a look at alt.binaries.schematics.electronic tnx -- 73 Hank WD5JFR |
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