File:Coherer diagram.gif

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Summary

Title / Description	Circuit diagram showing a filings-coherer radio receiver being used as a relay to operate a telegraph sounder.
Author(s)	McGraw-Hill Book, Company, Incorporated.
Copyright holder	McGraw-Hill Book, Company, Incorporated. See below for license/re-use information.
Source	Figure 59 from page 86 of Principles of Wireless Telegraphy, written by George W. Pierce, and published by McGraw Hill Book Company, Incorporated, 1910.
Date created	1910
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:52, 11 March 2022		950 × 1,030 (16 KB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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