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Image from page 104 of "Elements of radio telephony" (1922) | by Internet Archive Book Images
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Image from page 104 of "Elements of radio telephony" (1922)

Identifier: cu31924031239589

Title: Elements of radio telephony

Year: 1922 (1920s)

Authors: Ballard, William Cyrus, Jr

Subjects: Radio

Publisher: New York [etc.] McGraw-Hill company, inc.

Contributing Library: Cornell University Library

Digitizing Sponsor: MSN


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Text Appearing Before Image:

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Text Appearing After Image:

filamentrheostat Fig. 39.—Single-circuit regenerative receiver. 80 ELEMENTS OF RADIO TELEPHONY The circuit used in the set illustrated in Fig. 40 is similarto Fig. 38. The condenser Ci is varied by the large knobon the extreme left and the large knob in the center varies


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Taken circa 1922