. QST . B & W 5100S and 51 SB—Completelybandswitching on 80, 40, 20,15 and 11-10meters. With back wave diminuation andexcellent keying and break-in. ONLY$ ONLY 5100S $ DOWN ONLY B^f^w $ DOWN B & W B & W SINGLE SIDEBAND RECEIVING ADAPTER Now—convert your present receiver for: True single-signal reception onCW —Selective sideband reception on AM—Superb performance onSSB. May be used with any receiver having an intermediate frequencybetween 450 and 500 kc. Gating control permits tuning over a narrowfrequency range without disturbing main receiver tuning. Easy to install and


. QST . B & W 5100S and 51 SB—Completelybandswitching on 80, 40, 20,15 and 11-10meters. With back wave diminuation andexcellent keying and break-in. ONLY$ ONLY 5100S $ DOWN ONLY B^f^w $ DOWN B & W B & W SINGLE SIDEBAND RECEIVING ADAPTER Now—convert your present receiver for: True single-signal reception onCW —Selective sideband reception on AM—Superb performance onSSB. May be used with any receiver having an intermediate frequencybetween 450 and 500 kc. Gating control permits tuning over a narrowfrequency range without disturbing main receiver tuning. Easy to install and adjust, unit is entirely self-contained Pnce Soonin an attractive cabinet complete with power supply anda 7 dynamic speaker. to beAnnounced TOP TRADE-INS! Sotisfoction Guaranteedor your money refunded ^after 10 day trial. ^ Write for our latest bulletin. We have hundreds of standard brand pieces of equipmentin our trade-in deportment-used equipment made by Johnson, National, Collins, Halli-crafters, Gonset, Elmac, Harvey-Wells, Morrow, Central Electronics, and other leading Ourprices on trade-ins are realistic and down to earth. In addition where


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915