Radio age (Jan 1927-Jan 1928)

28 RADIO AGE for October, 1927 3,000 MILES THOMPSON Halldorson Overtone Audio Transformers, each $6.00 Power — Selectivity — Distance — Volume — Overtone amplification You'U be amazed at the results that this receiver will give you. Halldorson Precision long wave transformers and Overtone audio transformers are the heart of the Thompson Super Seven. Because they are built like the finest watches they will give you results that you never dreamed possible. The ability to detect and reproduce weak signals is so acute that the set has un limited range. Overtones that give depth and life to all music are brought to the foreground with a richness that is astonishing. The selectivity is so marked that powerful local stations can be tuned out and distance brought through with ease. Get your parts today, a few hours work and your set is ready to be initiated in the realms of distant stations, and you'll be surprised at the low cost of the complete parts for so efficient a receiver. The HALLDORSON CO., 223 W. Jackson, Chieigo, 111. S'M Vernier Drum Dials Beautify the Thompson Super Seven S-M 805 vernier drum dial of extremely pleasing appearance is already tremendously popular and its worth is thoroughly proven through its use in such receivers as the Improved Laboratory Model, Aero "Four," "Six" and "Seven;" the new Harkness creation, the Bodine Eight, and now lends beauty and commercial air to the Thompson Super Seven. Furnished with attractive oxidized brass panel window and universal 0-100, 100-a left or right black on gold drum scale. Simple to mount, suitable for any type standard shaft condenser for panel or sub-panel mounting, or both and universal for either right hand or left hand position. The dial readings are vernier controlled by a panel knob and may be illuminated by means of a lamp bracket which is furnished. Price $3.00. If you want the story of true super-quality amplification, full data on use of new A. C. tubes in any set, and the low-down of the first light socket operated six tube shielded T. R. F. set — the new Improved Shielded Six with A. C. tubes — just send in your name and 10c to cover postage. 850 W. JACKSON BLVD. SILVER-MARSHALL, Inc. ICHICAGO.U.S.A. Setbuilders Supply Co. |500H So. Peoria Street CHICAGO, ILL. FREE Write at once for complete data How to Build the Wonderful Thompson Super Seven We can make immediate shipment of all parts as specified by the engineers Complete Parts SETBUILDERS SUPPLY CO. S00H So. Poori. St. CHICAGO, ILL. & on the Thompson Super Seven Chosen Again for the Thompson Super Through pure merit alone Yaxley Approved Radio Products have gained for themselves a place in the new Thompson Super. Their correct design and superior construction guarantee faultless operation. 1 Yaxley Filament Switch $ .60 2 Yaxley Pup Jacks, Pair 25 1 -2L Resistance 15 1 -3L Resistance 15 1 -30 Ohm Rheostat.. $1.35 At Your Dealers YAXLEY MFG. CO. Dept. E — 9 So. Clinton St. Chicago Every Set Builder Needs This Book Make Thi. a 3ig Radio Every live dealer and set "*** Season! builder in radio sets, parts accessories, supplies, etc., should have a copy of this bargain catalog. You will be amazed at the thousands of money saving radio items illustrated and listed in this storehouse of everything you could possibly need in radio. The GUIDE BOOK to Bigger RADIO PROFITS FOR YOU The book contains all the latest and most popular kits — alt the famous, nationally known radio parts, accessories and supplies the very newest types and designs of table cabinets and consoles — everything at prices that mean bigger profits for you. Short Wave Section urns °aaa °!ection devoted to a showing of the highest grade short wave receiving and transmitting apparatus. Also the finest electrical appliances for use In the THOMPSON SUPER SEVFN All Parts in Stock Retail Price $78.55. Setbuilders: Write for discount*. house that carries stocks, that gives „.. the highest quality radio Make More parts, that Insures speedy shlp k/i I raents and 100% satisfactory serv Money! ioe. 0ur wholesale vest pocket price list and discount sheet and catalog will be sent to you on request. BUT WRITE QUICKLY SHURE RADIO COMPANY 337G Modion Street Chicago, Illinois