Radio Digest (Oct 1923-July 1924)

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\ October 13, 1923 RADIO DIGEST — Illustrated A REAL SELECTIVE LONG DISTANCE RECEIVER rlomeler and condenner permits very ive tuning control over a v. length range. KD ■II — 6 6 — o A +A -B •f-B THE circuit shown is another of the selected receivers, and is presented to the fan because of its unusual efficiency and moderate cost of construction. While the circuit is a little advanced for the beginner, it will appeal to the fan 5 to 1), two double circuit jacks, one single open circuit jack, one panel 9 by 14 by A, one baseboard 9 by 8 by %, and nine binding posts. The circuit is of the regenerative type, and has unusual selectivity. A single wire turn coil from which 15 turns have been unwound. The variometers are of the flat disc type, with a figure 8 winding. This type is very selective, efficient and of low internal capacity. The variable grid leak adjustment is that has already become somewhat acquainted with Radio receiving sets and who is looking for a good three tube receiving set for use at home. The apparatus required is two variometers, one honeycomb coil and single coil mount, one variable condenser with vernier .0005 mfd., one grid condenser and variable grid leak, one .00025 mfd. fixed condenser, one .005 mfd. fixed condenser, three tube sockets, three rheostats, two amplifier tubes, one detector tube, two audio frequency transformers (ratio about New tubes at cut prices, repairs free. Vacuum Electric Works, Toledo, Ohio. Genuine Ritter Loop 1 The flrst portable d» loop on the market *r (equal to the best) sold at this extremely low price. Wonderful results. Set up in a few minutes. Everything complete. Endorsed and approved by Radio News. Popular Radio. N. Y. Mail, Sun and Globe and others. Over 200.000 sold in the past 6 months. There's a reason 1 RITTER RADIO CORPORATION 230 Canal St. New York Dialers write for exclusive territory proposition aerial, 60 to 80 feet long, will give very good results for both local and long distance reception. Either dry or storage cell tubes can be used. The plate battery voltages can be varied by experimentation for clearest reception and maximum volume. The use of jacks permits two) stages of audio frequency amplification as desired. The lighting of the tube filaments is controlled by the individual rheostats. The honeycomb coil consists of a 75 EEcnnER. (Patent Pending) THE PERFECT SYNTHETIC CRYSTAL, DETECTOR, SENSITIVE OVER ENTIRE SURFACE. No Hunting for "Spots." Loud and Clear. Endorsed by thousands of satisfied users. Sensitiveness Guaranteed, KC\r Price, Mounted tfv,u 14 K. GOLD SUPERSENSITIVE RTJSONITE CATWHISKER. Permanent. Will OC Not Oxidize. Price *°1' RCSONITE REFLEX CRYSTAL, Manufactured Expressly for Reflex Circuits. Will Stand Op Cnder Heavy Plate Volt <C1 AQ age. Guaranteed. Price. Mounted.. «P *•*'*' Order from your dealer or direct from RCSONITE PRODUCTS CORP. 15 Park Row New York. N. Y. Radio Bargains for THIS WEEK Hedgehog Transformer $3.15 Reflex Crystal 89 Battery Test Clips (each) 05 199 Tube Adapter 49 Licensed Xeutrodync Parts 19.98 Rheostats. 6, 25, 40 ohm 69 Variocoupier or Variometer (181) degree) each 1.28 Eiia Reflex Transformer 4.65 Murdoch 2000 Ohm Phones 3.65 Jewell Lightning Arrester 98 Cico Two-way Plug 49 Cockaday Coil, each 1 .89 Contact Points or Switch Stops, per dozen 10 Special Prices on Tubes, Magnet Wire. etc. Clip this listCheck Items You Want Enclose With Monpy Order Your Order Will Be Filled By Return Mail Postage FreeSatisfaction or rtoneq Back FANS b^pUTns FREE c RADIO BAMJUNSx 17 N. LA SALLE STCHICAGO CURRENT PROGRAMS (Continued from page 13) Kllwi-ii. conductor; 8*0, church Berrtea, All Souls hi Church, Ernest Cal'J. WHAS, Cincinnati, Ohio (Central. 400). 9:57 a. ■.. Organ music; 10:00. Church .dway Bap tist Church; Rev Dr. R . .uitor; 4*0-5*0 p. m., Concert, auspices i. WHK. Cleveland. Ohio (Eastern. 360). 8*0 p. at.. • : Orchestra; Vocal solo numbers by popular entertah. WJAZ. Chicago. III. (Central. 447.7). 6*0-9*0 p. «.. Orloli Me," "Boot and Saddle, " It tta " "Musette," .Nathalie Parkei ;t; Boprano solos, Mrs. Ernst. Von Amnion I : "Ixxik l>own Dear I Margaret McAdani ; Baritone soloa, George II. I; I WOAW. Omaha. Nebra»ka (Central. 526). 9*0 a. m.. Radio Chapel Service, Rev. R. R. Brown; 9*0-11*0 p. m.. Musical chapel service. Trinity Metl. Episcopal Church. Monday, October 15 H CFCN, Calgary. Alta. (Mountain Standard, 440), 11:0012*0 p. m., Special musical program by Calgary talent; Amiounccments; Teat program after midnight. WBAP, Fort Worth, Texas (Central, 476). 7 30-830 p. m., Fort Worth artists; 930-10:45. John Tarlton College, StephenvUle, WDAR. Philadelphia. Pa. (Eastern, 395). 12*0-1254 p. m.. Organ recital, Stanley Theater: Dinner music Arcadia Cafe Concert Orchestra; 2*0-3*0, Concert, Arcadia Cafo Orchestra: 4 30-5:55, Song r. short talks; 7:30-7:45, Dream Daddy with boi girls; 7:45, Motion picture review; 8*0, Song re Short talks; Danco music. Howard Laniu's Arcadia Cafe Orchestra. WFI. Philadelphia. Pa. (Eastern. 395), 1*0-130 p. m Dinner music, Bellevue Stratford Concert On i. 3*0, Tenor soiors, Ednyfed Lewis, Loretta Kerfc. piano accompanist; 630, Dinner music, Bellevue Stratford Concert Orchestra; 7*0-7 30, Bedtime stories by Cousin Sue. WGR, Buffalo, N. Y. (Eastern, 360), 12:30-1:00 p m George Albert Bouchard, organist: 6 30-7*0. George Albert Bouchard, organist; JcOO. Digest of the day's news. WGY. Schenectady, N. Y. (Eastern, 380), 2*0 p. m. Music and Fashion Talk. p. A. Brown; 7:45. Musical Program; "Prelude, A Flat Major," "Prelude, No 7" "Les Oiseaux." "Largo," "To a Water Lily," "To a Wild Rose," "Rigaudon." Mildred J. Coughtry, pianist; "A Son of the Desert am I." "Prosit " "For You." Daniel Gilmore. baritone; Marian Barry accompanist; Readings. "Old Betsey," "Nothing to do but go." "The Story of Patsy Barnes," "Jimmy Brown's .sister's Wedding," Genevieve M. Liddane WHAS, Cincinnati, Ohio (Central, 400). 4:00-5:00 p. m.. Selections. Strand Theater Orchestra; "Just Among Home Folks"; Selections, Alamo Theater organ. WHA2, Troy. New York (Eastern. 380), 9:00 p. m.. Entertainment, Highland Community Association of Troy; Address, "Community Co-operation." WIP. Philadelphia, Pa. (Eastern, 509), 3:00 p. m.. Concert; 6:02, Dinner music; 7:00-730, Bedtime stories by Uncle Wlp. (Continued on page 20) BLUE PRINTS not very critical, but varies slightly with different tubes. The combination of va VbiowWi Blue Prints for the construction of a Reinartz Receiving Unit and two step amplifier. Description of apparatus and details of tuning. WINDING A REINARTZ COIL Send only money orders — no checks or stamps. Coins at your own ri<k. Wecei/tfc^t/ Blue Prints for the construction of a Flewelling Receiving Unit and two step amplifier. ALL DETAILS FOR ASSEMBLY Description of apparatus and accessories and details of tuning. Send only Money orders — no checks or stamps. Coins at your own risk. Radio Digest Publications 123 W. Madison St.. Chicago. III.