. QST . ng single sideband per-formance from this fine transmitter. Add the B&W51SB Single Sideband Generator to your Viking II, andyoull enjoy all the operating characteristics you nowget plus the superior effectiveness of SSB are just a few of the features of the B&W 51SB: • Complete bandswitching from 80 to 10 meters • Operateswitb either crystal control or VFO of your Viking • Voicecontrol operation on SSB • Speaker deactivating circuit The 51SB conies to you ready for hook-up to yourViking. Complete instructions and necessary modifica-tion kit are of course included. Con
. QST . ng single sideband per-formance from this fine transmitter. Add the B&W51SB Single Sideband Generator to your Viking II, andyoull enjoy all the operating characteristics you nowget plus the superior effectiveness of SSB are just a few of the features of the B&W 51SB: • Complete bandswitching from 80 to 10 meters • Operateswitb either crystal control or VFO of your Viking • Voicecontrol operation on SSB • Speaker deactivating circuit The 51SB conies to you ready for hook-up to yourViking. Complete instructions and necessary modifica-tion kit are of course included. Construction of the 51SB is completely unitized. TTieequipment can easily be removed in three major sub-assemblies: R-F Unit, Audio Unit, and Main ChassisUnit. Its entirely self-contained except for microphone. GET THE FACTS! Write B&W now for Bul-letin 51SB, or see this new .SSB generator at vourdistributors. BARKER & WILLIAMSON, INC. 237 Fairfield Avenue * Upper Darby, Pennsylvania. PRICE: $279^® Amateur Net Factory vi/ired and with tubes, in-structions, modification kit. Wafch for News Information on applicationof 51 SB to other commun-ication transmitters willfollow soon! SEE US AT THE I. R. E. SHOW202 INSTRUMENTS AVE. ORIGINAL VAARO MOBILE PRODUCTS ORIGINAL VARIABLESINGLE UNIT COIL For 75-40-20-1 5-1 1and 10 METER IN THE 1955DESIGN with the NEW,IMPROVED DUAL CON-TACT between the collwindings to provide agreater, more positive,more efficient con be INSTANTLYTUNED to ANY DESIREDBAND or FREQUENCYby ingenious locking de-vice. Factory coveragefrom 3750 kcs. to30,000 kcs. Highest Qavailable in on all-bandcoil. Fits all whips V-102B—for0 to 500 watts input $ MODEL V-103B—for0 to 1000 watts input $ NOW MADE BY DAVIS ELECTRONICS Vaaro Electronic Engineering Co., Long Beach, California has been pur-chased by Davis Electronics, Burbank, California. Throughout the televisionyears, DAV
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
