File:Hospitalier Ondograph Diagram.png
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Summary
[edit]Illustration Description
[edit]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
[edit]- 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
[edit]- Scanned by User:DMahalko, Dale Mahalko, Gilman, WI, USA -- Email: dmahalko@gmail.com, on 22:39, 18 May 2008 (UTC)
- Scanned at 600dpi, 8-bit grayscale
- Level-adjusted and cleaned up
See Also
[edit]For a list of all these illustrations used in Wikipedia please see the article Hawkins Electric Guide on the English Wikipedia.
Licensing
[edit]Public domainPublic domainfalsefalse |
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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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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:54, 2 October 2016 | 1,854 × 2,136 (93 KB) | Cmdrjameson (talk | contribs) | Compressed with pngout. Reduced by 37kB (28% decrease). | |
03:24, 3 July 2008 | 1,854 × 2,136 (131 KB) | DMahalko (talk | contribs) | === 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 Ele |
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Horizontal resolution | 236.22 dpc |
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Vertical resolution | 236.22 dpc |
File change date and time | 03:21, 3 July 2008 |