File:Electrotype copying side by side.jpg
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Summary
| Description |
English: Showing electrotype copying results. The frontispiece consists of two copper plate engravings one printed from an engraved plate and the other from an electrotype copy taken from it in the described on page 204 The engravings are introduced for the purpose of the accuracy of the copies obtained by this process |
| Date | |
| Source | Davis's Manual of Magnetism. |
| Author | Daniel Dave Jr |
Licensing
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:10, 13 April 2022 | | 625 × 297 (42 KB) | Doug Coldwell | better scan |
| 20:45, 12 April 2022 |  | 625 × 297 (41 KB) | Doug Coldwell | Uploaded a work by Daniel Dave Jr from Davis's Manual of Magnetism. with UploadWizard |
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