Hospitalier_Ondograph_Diagram.png
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Contents
Summary
Illustration Description
Figure 2957 -- Diagram of Hospitalier Ondograph
Diagram showing mechanism and connections. It represents a development of Joubert's step by step method of wave form measurement.
Public Domain Source
- Hawkins Electrical Guide, Volume 6
- Chapter 63: Wave Form Measurement
- Page 1850, Figure 2957
- Copyright 1917 by Theo. Audel & Co.
- Printed in the United States
Upload Notes
- Scanned by User:DMahalko , Dale Mahalko, Gilman, WI, USA -- Email: [email protected], on 22:39, 18 May 2008 (UTC)
- Scanned at 600dpi, 8-bit grayscale
- Level-adjusted and cleaned up
See Also
For a list of all these illustrations used in Wikipedia please see the article Hawkins Electric Guide on the English Wikipedia.
Licensing
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publication
occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See
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for further explanation.
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Wikipedia:Public domain
and
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