File:Wilhelm Bornhardt00.png
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Summary
| Description |
English: "BORNHARDT'S ELECTRIC MACHINE FOR BLASTING IN MINES", an electrical device for detonating explosives. Published in SCIENTIFIC AMERICAN SUPPLEMENT NO. 441 NEW YORK, JUNE 14, 1884 |
| Date | |
| Source | http://www.gutenberg.org/files/15833/15833-h/15833-h.htm#art21 |
| Author | Friedrich Wilhelm Conrad Eduard Bornhardt (1864-1946) |
| Permission (Reusing this file) |
Public domain |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:10, 23 January 2010 | | 1,600 × 1,116 (108 KB) | Androstachys | {{Information |Description={{en|1="BORNHARDT'S ELECTRIC MACHINE FOR BLASTING IN MINES", an electrical device for detonating explosives. Published in SCIENTIFIC AMERICAN SUPPLEMENT NO. 441 NEW YORK, JUNE 14, 1884}} |Source=http://www.gutenberg.org/files/15 |
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