Radio Broadcast (Nov 1923-Apr 1924)

Record Details:

Title:
Radio Broadcast
Date:
Nov 1923-Apr 1924
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000260
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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242 Radio Broadcast FIG. 8 The three-circuit receiver before being converted (see Figs. 9, 10, and 1 1. This receiver was described on page 136, Radio Broadcast for December, 1922). The upper left hand posts are for antenna and ground, and are replaced by a jack (upper right in Fig. 12) into which the loop aerial is plugged fore; in fact they were used to illustrate A. Henry's article, " Paris and Honolulu Are Calling You," in our December, 1922, number. We have converted Mr. Henry's three-circuit regenerative outfit (Fig. 8) into a wave-changer simply by the addition of a tube socket, a twocoil mounting, and two large coils to couple the output of the wave changer to the intermediatefrequency amplifier. By combining this wave changer with such a circuit as illustrated in Fig. 1 of Mr. Eltz's article (p. 145, Dec, 1923), we have a complete super-heterodyne. Fig. 10 shows the panel with coils mounted. The two upper left-hand posts connect to a loop. The diagram (Fig. 11) shows the connections. The layout has been altered very little. The diagram shows clearly the values of duo-lateral coils employed. A new fig. 9 Rear view of the set shown in Fig. 8