Radio Broadcast (Nov 1926-Apr 1927)

Record Details:

Title:
Radio Broadcast
Date:
Nov 1926-Apr 1927
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000489
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 457 SEEING MORE THAN THE MICROSCOPE Electrons, which are very important in radio, are too small for any microscope to make visible. Yet our eyes can watch their paths — study their habits. In the laboratories where Radiotrons are studied there are instruments which make all these thingspossible— and more. Knowing how many electrons leap across from the filament to the plate of a vacuum tube is in its way as abstruse a study as the measurement of distant stars by astronomists. Yet this abstruse research has a definite application in the' RCA Radiotron in your radio set. That is why the laboratories back of RCA spend millions in scientific research that is ftr too much like "pure science" for an ordinary manufacturer. Radiotrons are improved and new ones are developed, to make radio better. Because this research shows in results, Radiotron users keep five great factories busy! Watch your tubes, always, for the RCA mark. You will find it on Radiotrons for every purpose. 9 fit IN XT AUDIO STAfi] cl-eair up th-^ tone Do you get a blast when you turn the volume up a bit? Do you get sweet, clear tone at low volume, but noise when it's louder? The trouble's probably right in one tube— the tube in the last audio stage. The Radiotron laboratories discovered that no ordinary tube can let big volume through clearly. Change one tube to an RCA power Radiotron. Then turn up the volume .... and it comes through clear! Bring your storage battery set up-to-date with a power RADIOTRON UX-171 orUX-112 a detector RADIOTRON UX-200-A and RADIOTRONS UX-201-A for all-round quality. Bring your dry battery set up-to-date with a power RADIOTRON UX-120 and RADIOTRONS UX-199 for all-round quality. RADIO CORPORATION OF AMERICA NEW YORK CHICAGO SAN FRANCISCO I\CA Kad i o tro n MADE B Y H E MAKERS O F T H F. R A D I O L A