Radio Broadcast (May 1928-Apr 1929)

Record Details:

Title:
Radio Broadcast
Date:
May 1928-Apr 1929
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000127
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:
November 10, 2022
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RADIO BROADCAST ADVERTISER 113 Concentrated Effort! IN specializing on and perfecting conJ densers and resistors which have stood up under every test made to determine their worth, the Aerovox Wireless Corp. has attained a goal made possible only by perfect co-ordination, co-operation, and concentration of every element in an organization devoted exclusively to the production of high quality condensers and resistors. R i The Aerovox Research Worker is a free monthly publication that will keep you breast of the latest developments in dio. A post card will put you on the mailing list. ERoyox. 78 WASHINGTON ST. BROOKLYN, N. Y. he Code Wireless or Morse— at home with the Teleplex Automatic Code Instructor, better method for self-instruction xists. Quick— Easy — Thorough. Endorsed by U. S. Navy. The only instrument that Reproduces ncliial sending — messages. Kadiogiams, etc. Any speed. Complete Course (C tapes) FREE. Thirty times as many words as any other instrument. Avail yourself of the Teleplfx for a quick mastery of the code. Write for booklet BR. TELEPLEX CO., 7U Corttandt St., New York. BROADCASTING From The INSIDE EVERY month in RADIO BROADCAST appears the departments "As the Broadcaster Sees It," written by Carl Dreher, one of the best known broadcast engineers in the country. Alive with humor, news, apt and searching comment, Mr. Dreher's writings have become one of the most popular features of radio writing anywhere. Are you reading it? Subscribe by the year and make sure of not missing a single issue. Mail your check for §4.00 to Subscription Department, Doubleday, Doran & Co., Inc., Garden City, N. Y. SeTP Adjusting. For best performance your lubes require a variable filament control to supply the definite current they need, despite "A" battery variations. AMPERITE is the only self-adjusting and automatic filament tube control that does this. Takes the efguess," inconvenience andunsightliness out of panel rheostats. Simplifies wiring, panel design, and tuning. Prolongs tube life. Orderby name. Accept nothing else. PriceSl .10 mounted (in U. S. A.) For sale by all dealers. Write for FREE "AMPERITE BOOK" of season's best circuits find latest construction data* Address Dept. R.B.-6. RADIALL COMPANY SO Franklin St., New York Ampemte i7he "SELF-ADJUSTING" Rheostat Parallel Plate Feed TYPE 369 IMPEDANCE A unit suitable for use in parallel plate feed systems. Price $5.00 Are you troubled with motorboating in your audio frequency amplifier — or perhaps you have purchased a pair of really good audio frequency transformers and after placing them in use, find that results are not quite up to your expectations? If your tubes and plate supply are functioning properly your trouble can, in most cases, be eliminated by the use of parallel plate feed. A folder describing the advantages of this system will be sent on request. We welcome your correspondence in regards to technical problems. Bulletin Afo. 929, describing our complete line of Radio parts, will be sent on request. 30 State St., Cambridge, Mass. 274 Brannan St., San Francisco, Calif. This is a good time lo subscribe for RADIO BROADCAST Through your dealer or direct, by the year only $4.00 DOUBLEDAY, DORAN & COMPANY, Inc., Garden City, N. Y. RADIO PANELS BAKELITE— HARD RUBBER Cut, drilled and engraved to order. Send rough sketch for estimate. Our complete Catalotr on Panels, Tubes and Rods — all of genuine ttakelite or Hard Rubber — mailed on request. STARRETT MFG. CO. 521 S. Green Street Chicago, 111. Fixed Voltage ^s7/.r»a£fb,e [Variables exist in any radio circuit. You "" I correct them by changing the controlling resistance. If you want fixed voltages, use UAROSTAT J Reg. U. S. Pat. Office i(3 0 1928 Edition, complete, up-to-date. Full information on A. C. and Screen Grid Tubes. Over 900 pages, 1025 illustrations. For Service and Repair Men, Dealers, Salesmen, Experimenters and Designero. At dealers or by mail, $6.00. FREDERICK J DRAKE &C0% U" PUBLISHERS ~— M i c h i g'a n Aye. Gh i c a sfo. 5T RADIO FROST-RADIO Frost Variable High Resistances Think of a variable high resistance with a marvelously smooth regulation over entire range of resistance strip, free from friction and almost totally without wear, due to roller contact arm. No jerks — no jumps — no dead spots — no sudden increases or decreases in volume. Just stepless, perfect regulation. Has Bakelite shell and cover, and engraved Bakelite pointer knob. Adopted as stand a-d by leading set manufacturers, and countless thousands are in use in home built sets. Supplied in two or three terminal type, in wide range of resistances from 2,ooo to 500,000 ohms, and with or without switch. 2 or 3 Terminal Type, less switch, SI. 75. 2 or 3 Terminal Type, with switch, $2.10. HERBERT H. FROST, INC. Main Offices and Factory Elkhart. Ind.