. QST . NATIONAL HRO-SIXTY-Dual conversion-plug-in coil unitssupplied—covers to 30 mc; band spread on 80, 40, 20I -I 0 meters. Provides virtually image-free reception. Excellentselectivity; high sensitivity; top mechonicol andelectricol stability. Two RF stages; ANL with * C-J OCthreshold control; S meter; provision for crystal H****^calibrated and NBFM adapter. Down $ 5 per month for 1 8 months. Matching I 0 speaker c | HRO-60XCU-2 Crystal Calibrator $ NFM 8 3-60 $26*75 NATIONAL NC-183D—540 to 31 mc and 47 to 55 mc in 5 ranges. Dual conversion —a superb performer even under
. QST . NATIONAL HRO-SIXTY-Dual conversion-plug-in coil unitssupplied—covers to 30 mc; band spread on 80, 40, 20I -I 0 meters. Provides virtually image-free reception. Excellentselectivity; high sensitivity; top mechonicol andelectricol stability. Two RF stages; ANL with * C-J OCthreshold control; S meter; provision for crystal H****^calibrated and NBFM adapter. Down $ 5 per month for 1 8 months. Matching I 0 speaker c | HRO-60XCU-2 Crystal Calibrator $ NFM 8 3-60 $26*75 NATIONAL NC-183D—540 to 31 mc and 47 to 55 mc in 5 ranges. Dual conversion —a superb performer even under the most severe receiving conditions. Excellent selectivity, sensitivity and stability. Colibroted electrical band spreod for 80-75, 40, 20, 15, 11-10 and 6 meter t-lO Oe omateur bands. Three IF stages; 16 tuned cir- «?>▼•▼• cuits—an outstanding receiver. Down $ per month for 1 8 months. i^-^^ Matching I 0 speaker $ fl^^^^^HHKtfl NATIONAL NARROW-BAND FM ADAPTER NFM 83-60 Plu
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
