File:Electrical vibrating Interrupter.jpg
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DescriptionElectrical vibrating Interrupter.jpg |
English: Electrical vibrating Interrupter apparatus made by Charles G. Page |
Date | |
Source | On the use of the Dynamic Multipliedr; by Charles G. Page.; American Journal of Science (32), page 356 |
Author | unknown |
Public domainPublic domainfalsefalse |
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.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Electrical_vibrating_Interrupter.jpg |
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current | 13:30, 2 April 2022 | 847 × 685 (106 KB) | Doug Coldwell (talk | contribs) | Uploaded a work by unknown from ''On the use of the Dynamic Multipliedr;'' by Charles G. Page.; American Journal of Science (32), page 356 with UploadWizard |
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