File:Electrostatic friction machines.jpg
Electrostatic_friction_machines.jpg (711 × 347 pixels, file size: 31 KB, MIME type: image/jpeg)
| Description |
A cylinder friction electric machine and a disk electric friction machine. |
|---|---|
| Source |
Lectures on Electricity and Galvanism, in their physiological and therapeutical relations, delivered at the Royal College of Physicians, in March 1847, p.104, Philadelphia: William H. Hazard 1854 |
| Date |
1847 (first published) |
| Author | |
| Permission (Reusing this file) |
See below.
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Licensing[edit]
 | This file is in the public domain in countries with a copyright term of life of the author plus 70 years or less. |  | ||
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:34, 2 April 2011 | | 711 × 347 (31 KB) | Spinningspark (talk | contribs) | {{Information |Description=A cylinder friction electric machine and a disk electric friction machine. |Source=''Lectures on Electricity and Galvanism, in their physiological and therapeutical relations'', delivered at the Royal College of Physicians, in M |
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