Radio Digest (Oct 1923-July 1924)

RADIO DIGEST — Illustrated February 9, 192h ___oHTHOUSE RECEIVER (.Continued from page 9) The rheostat and comiensor are put on the board, iu order to be certain that the holes are in their true positions, after which the instruments are removed and the panel is put into an oven. Heat should may be attached to the panel by means of shellac. While the latter is in a moist condition, any tinfoil that may be dangrling through the holes of the panel is cut away, in order that no metal parts of the condenser, rheostat, binding posts, or any of the wiring or wire terminals, may conic in contact with it. The panel is SMALL FIGURES INDICATE WHERE CONNECTIONS ARE TO BE MADE ON CONNECTION BLOCK SHOWN IN FIQ.3 B ALL WINDINGS ARE0F*26 ENAMELED MAGNET WIRE FASTEN THESE COILS TO INSIDE OF CABINET TWO SEPERATE COILS OF 30 TURNS EACH WOUND ON SAME FORM ANTENNA NO GRID LEAK HEAVY. LEAD PENCIL MARK * CONDENSER. .0005 MOUNT THESE COILS ON SHAFTS TUBE SOCKET 23 PL. VERNIER CONDENSER^ ^3? q> jm GROUND 0' DRY PHONES be applied thoroughly as a means of expelling moisture, but caution should be exercised lest the panel be scorched. While the panel is still hot, a coating of thin shellac is applied on both sides, to the edges and in the holes. The panel is permitted to dry for 24 hours, after which two more coats of shellac are applied at intervals of 12 hours. Positive instructions are issued not to paint this panel with ordinary paint; a spirit stain or water-color stain being applied if color is desired. Applying Tinfoil Once the third coat of shellac is dry, the inside portion of the panel that is above the shelf is covered with tinfoil, which then placed in position, the instruments are properly fastened, the coil shafts are inserted with the coils mounted thereon, and the tube socket is secured to the shelf. (TO BE CONTINUED.) Open and Short Circuits "Open" circuits (incomplete connections) may be due to broken wires, wrong connections, or poor contacts. "Short" circuits (where an undesired path for the current is provided in addition to the desired one) may be. due to touching of bare connecting wires, wrong connections, touching condenser plates or some metallic object having fallen among the wiring. Get the Thrill of Distance Armstrong Regenerative Set Receiving Radius 600 Miles Order Direct From This Advertisement. TJERE is a money saving Radio Outfit that will bring the ■tA news of the world — concerts, lectures and stock reports — into your home. Sold complete with head set, tube, batteries, aerial and ground wires, for only $23,251 Connections simple and plainly marked. Easy to tune. Order NOW I Shipping weight, 12 pounds. Shipped from CHICAGO or PHILADELPHIA store. 57RD9366 $23.25 Licensed under the Armstrong Patent No. 1113149 for amateur, experimental and .dentine uses only. 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Drilled rnrp Panels rl\LL Specially drilled panels are included with each of the sets illustrated and described b e lew. 1 7x21x3/16 Drilled Formica panel 1 Howard rheostat 3 4-inch Radion dials 3 John Firth bakelfte sockets 8 Binding posts 3 Tube $28.60 3 23 plate var. condensers 1 Wave control neutroformer 2 R. F. amp. neutroformers 2 Grid neutralizing cond. 1 .00025 micon grid cond. 4 Tube $44.65 Complete Complete Parts for All HeraldExam. Set Cock a day Receiver Autoplex Hook-Up . Short-Wave Tuner (Wood Parts) Short-Wave Tuner . ( Moulded Parts) Single Tube Erla . Columbia Freak Haynes DX 1-Tube Reinartz Wave Trap 2-Stage Amplifier Power Transformer Supertuner Honeycomb Receiver Ultra Audion . . • parts for 3-tube set Receivers: . $ 5.95 . 11.95 16.45 . 10.50 14.95 1 Marco variable grid leak 1 Baseboard for mounting 2S feet tinned copper bus bar wire and complete instructions for assembling and wiring. 5 Tube $46.25 as follows: Got Your Copy Yet? 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A. Radio trons. UY-201A, WD-12. WD-11, UV-199 .$4.75 Genulue Supertrons, tviH-s UV-201A and WD-12 3.50 7. Genuine Telefiinken 6 Det. and Amp . 4.50 Each tube Is tested for light and oscillation before it is shipped. MISCELLANEOUS 5 Amp. Tungar & Tube. $23.50 2 Amp. Tungar & Tube. 15.00 22t4 B Batten-, small.. .95 22V> B Battery, large.. 1.65 45 B Battery, large 2.35 Columbia Inside Mounts 4.75 LOUDSPEAKERS Brandes Table Talker. . S 9.50 Music Master 27.50 Magnavox. New Type. . 28.50 Atlas Aniplitone 20.00 Baldwin Loudsiieakers . . 21.50 Western Electric 10-D.. 44.00 SETS Crosley XJ $ 57.50 Freed -Eisemann NB5... 127.50 Grebe CR-12. . . 155.00 Crosley VI 27.50 tVestinshouse St 36.50 Federal DX-5S 105.00 Coekaday 3 Tube 95.00 VARIOCOUPLER SPECIALS Shamrock, all bakellte $2.35 Sleeper No-Tap 4.75 Columbia v 3.75 TRANSFORMERS Federal No. 6^ $5.25 Acme Audio 3.95 General Radio 4.50 Jefferson Star 2.50 Modem Push-Pull (set).. 11.00 Amertrans 5.50 PHONES Dr. Seibt. 6.000 ohms. .$5.75 Brandes Superior 4.75 Federal 4.75 Baldwin Original Type C S.25 Western Electric 9.50 Ambassador S.000 ohm. . 3.75 RHEOSTATS Cutler Hammer $ .85 Cutler Hammer Vernier. 1.35 Federal, 6 ohm 95 Federal, 25 ohm 1.25 Filkoslats 1.85 CONDENSERS 11 Plate. Bakelite Ends. $1.30 23 Plate. Bakellte Ends 1.45 Bakelite B 23 Date Vem . 43 Plate Vernier 2.95 1WE SEir pftlCES.