. QST . ^, width 3 Special connector protects your re-■<-ceiver from during transmission(Optional). -<-Silent AC magnet prevents hummodulation of carrier — AC typesguaranteed as quiet as DC. Tronsmit confoct-pressure over 75 grams,making the 1000 w. rating very conservo-five. Causes negligible change in SWRup to 100 Mc. BOX 312 CONCORD, N. H. DKF2 rigid adapter for external chassis ff^^^ffs-iM^pl_mounting, $ mIV Uy AC types (All volt.) Amateur net $ DC types {All volt.) Amoteur net See your distributor. If he has not yet stocked DowCo-axial relays, order from
. QST . ^, width 3 Special connector protects your re-■<-ceiver from during transmission(Optional). -<-Silent AC magnet prevents hummodulation of carrier — AC typesguaranteed as quiet as DC. Tronsmit confoct-pressure over 75 grams,making the 1000 w. rating very conservo-five. Causes negligible change in SWRup to 100 Mc. BOX 312 CONCORD, N. H. DKF2 rigid adapter for external chassis ff^^^ffs-iM^pl_mounting, $ mIV Uy AC types (All volt.) Amateur net $ DC types {All volt.) Amoteur net See your distributor. If he has not yet stocked DowCo-axial relays, order from factory. Send check ormoney order or will ship COD. Prices net FOB Warren,Minn. Shipping Weight 9 oz. Dealers inquiries on request. Add $1 for external switch (Optional) Add $1 for special receiver protecting connector (Optional) THE DOW-KEY CO., INC. WARREN, MINNESOTA 137. VACUUM VARIABLES10 KV . . 10-400 MMF A beautiful, brand new, JenningsVacuum Variable offered at halfprice as a result of a fortunate con-tract cancellation procurement. Thisis an ELMAR exclusive. See ourQST ad for November 1954, page 143. B-WS BRAND NEWMULTI-BAND INDUCTOR an all-band inductor with KW ratingfor pi networks. Built around o realheavy-duty switch. Lowest losses,(minimum Q of 300 for all bonds)fastest band change. Size, includingswitch, no larger than older styleroller coils . .. . EFFECTIVE . . EFFICIENT.
Size: 1934px × 1292px
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
