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

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Summary

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

Licensing

Public domain
Public domain
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.

United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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April 1916Gregorian

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917b26a916c1bd12f5d4b051021d90cb576179b7

11,399 byte

691 pixel

771 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current02:06, 22 August 2009Thumbnail for version as of 02:06, 22 August 2009771 × 691 (11 KB)Sagsaw{{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