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

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73
Hank WD5JFR
"Henry Kolesnik" wrote in message
et...
Please take a look at
alt.binaries.schematics.electronic

tnx


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73
Hank WD5JFR