Electrical Experimenter Aug 1916 pg250

Autor:

Published by Experimenter Publishing Company Inc. 233 Fulton Street, New Your, NY. Hugo Gernsback, President; Sidney Gernsback, Treasure; Milton Hymes, Secretary.

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This page was scanned by User:Swtpc6800 on an Epson Perfection 1240U at 300 dpi with half-tone de-screening enabled and stored as TIFF. The image was cropped and touched up in Adobe Photo Elements 5.0. This copy saved as a 150 dpi PNG.

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Opis:

The Electrical Experimenter, August 1916. Volume 4 Number 4.

The page numbers were on an annual base, not per issue. This issue had pages 225 to 304. Page 250 is shown.

The Vacuum Detector and How It Works

The second part of the vacuum detector article can be found here Image:Electrical Experimenter Aug 1916 pg288.png

An advertisement for the De Forest Audion is on page 228 Image:Electrical Experimenter Aug 1916 pg228.png

Licencja:

Public domain

Komentarz do licencji:

This magazine was published in the United States before 1923 and is in the public domain.