Radio Broadcast (May 1927-Apr 1928)

Record Details:

Title:
Radio Broadcast
Date:
May 1927-Apr 1928
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000711
Language:
English
Subjects:
radio periodical, Radio -- Periodicals
Contributor:
Library of Congress, MBRS, Recorded Sound Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
September 29, 2022
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RADIO BROADCAST ADVERTISER 243 Unriched tone "value . . . by exact current regulation of this "B" Power Unit THE secret of tone quality — richness and clarity — is found in proper current regulation. And, this feature is strikingly evident in the Sterling (R-81) "B" Power Unit. Its genuine Raytheon Tube and established record of reliability makes this the ideal "B" current supply for 4 to 8 tube sets including power tube. A Sterling demonstration will be a revelation. Any Sterling dealer will be glad to prove it. lR "B" Socket Power Model R-81 "B" Power for sets from 4 to 8 tubes. $28I2 complete ivilh Raytheon tube THE STERLING MFG. 283 1 Prospect Avenue COMPANY Cleveland, Ohio Radio Convenience Outlets Wire Tour Home for %adio £njoy your favorite programs in any room in the house. ?ut the batteries in any out-of-the-way place. Bring anrenna and ground connections to most convenient point and connect set through neat cord and phone tips. Fit any standard switch box. Full instructions for installation with each outlet. No. 135 — For Loud Speaker £1.00 No. 137 — For Battery Connections 2.50 No. 136 — For Aerial and Ground 1.00 or Gang Combinations of any of the above up to 4.50 At your Dealer's YAXLEY MFG. CO. Dept. B — 9 So. Clinton St., Chicago, Illinois A Jewell A. C. Meter For Filament Control The advent of vacuum tubes having filaments adaptable for excitation from alternating current creates the necessity for an absolute means of control other than the filament rheostat, for it is frequently found that a particular setting of the filament voltage is necessary to eliminate objectional hum. For A. C. filament control the new Jewell A. C. Voltmeter, Pattern No. 190, is very satisfying. Jewell Pattern No. 190 instruments have a body diameter of two inches and in general appearance are similar to the Jewell Pattern No. 1 35 direct current style. The movement is of the moving vane type, with special modifications for the small size case. The instruments are accurate and neat in appearance and are designed for continuous service. Energy consumption is very small. Pattern No. 190 instruments are available in many ranges, of which the 0-1.5, 0-3, 0-15, and 0-150 volt ranges are most in demand. The 0-1.5 volt range is suitable for tubes having a direct heated Cathode, the 0-3 volt range for tubes having an indirectly heated Cathode and the 0-150 volt range where primary control is used. Write for a copy of our 15-C catalog supplement, which describes this instrument in detail. "27 Years Making Good Instruments' Jewell Electrical Instrument Co. 1650 Walnut St., Chicago R. E. L. You Can Get Quick Shipment on all Standard Parts and Kits including Latest LR4-STROBQDYNE-Hi-Q-6 Send for R. E. L. Handbook and Discount List R. E. LACAULT Radio Electric Laboratories 1931 Broadway New York City Helpful Technical Information A regular feature of Radio Broadcast is the series of Laboratory Information Sheets, which cover a wide range of information of immediate value to every radio worker, presented in a form making it easy to preserve them. To insure your having every issue, send your check for £4.00 for one year's subscription, to Subscription Department, Doubleday, Page & Co., Garden City, N. Y. RADIO PINS piNS for Badio Clubs. Attractive deL signs at factory prices. Club orders for as low as 50c each. Samples furnished from illustrated folder sent C. K. GROUSE COMPANY 57 Bruce Ave. North Attleboro, Mass. My big 1928 Radio C: -.^•BJ,*^ alog, Ca" Book and Trouble Finder. 132 pages about W . Radio. Chock full of newest circuits— kits, transmitter parts, short wave outfits, eliminators and speakers. Thousands of bargains at lowest wholesale prices. A regular Radio Encyclopedia— Free. Write today. American Auto & Radio Mfg. Co. HARRY SCHWARTZBERG, PRES. DeP' 125 American Radio Bldg., Kansas City. Mo RAD/Q