Radio Broadcast (Nov. 1925-Apr 1926)

Record Details:

Title:
Radio Broadcast
Date:
Nov. 1925-Apr 1926
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000271
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 247 The B-D Standard Five tubes with standard sockets. Pro vides for power tube. Mahogany cabinet with battery compartments at either end. List price, without tubes and batteries, #130. IN the quest for a set that would give greater distance and selectivity and still be economical and simple in design, Frederick H. Drake and Glenn H. Browning, both doing research work at Harvard University, set to work mathematically to see just how much could be developed by a tuned radio frequency transformer. It was found that with the aid of a special primary to minimize capacity coupling, radio frequency amplification amounting to over 90% of the maximum could be obtained. The resultant circuit, known as the Browning-Drake Regenaformer Circuit, has been so successful in getting extreme distance with exacting selectivity that it is now presented to the public in three styles of receivers. Three stages of resistance coupled amplification give the Browning-Drake Receiver on unsurpassed quality of tone. During the TransAtlantic tests made earlier in the year the BrowningDrake Receiver received Madrid, Spain. Owners of Browning-Drake Receivers living in the East have verified reception from KGO, Oakland, California; KFI, Los Angeles, California; Mexico City and Calgary, Canada. Ask your radio dealer to show you the new Browning-Drake Receivers. Distributors and Dealers — Write us for details 353 Washington Street CORPORATION ^ Brighton, Mass. The B-D Senior Six tubes with new type sockets. Built-in-loud-speaker. Battery compartments. List price, without tubes or batteries, #185. The B-D Junior Five tubes with new type sockets. Power tube may be used. Mahogany finish cabinet. List price, without tubes and batteries, #95. ■jt Tested and approved by Radio Broadcast -jf