File:Amplifying Receiver, Sketch 1 from the April 1916 QST.png

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Description
English: Sketch 1 from the article "Amplifying Receivers with Mica Diaphragms" published in the April 1916 issue of QST.
Date
Source April 1916 QST Page 75.
Author Thomas Appleby

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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

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Date/TimeThumbnailDimensionsUserComment
current02:06, 22 August 2009Thumbnail for version as of 02:06, 22 August 2009771 × 691 (11 KB)Sagsaw (talk | contribs){{Information |Description={{en|1=Sketch 1 from the article "Amplifying Receivers with Mica Diaphragms" published in the April 1916 issue of QST.}} |Source=April 1916 QST Page 75. thumb|page=12 |Author=Thomas Appleby |Date=1

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