File:Amplifying Receiver, Sketch 2 from the April 1916 QST.png
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Amplifying_Receiver,_Sketch_2_from_the_April_1916_QST.png (453 × 510 pixels, file size: 10 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:11, 22 August 2009 | 453 × 510 (10 KB) | Sagsaw | {{Information |Description={{en|1=Sketch 2 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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