File:Wilhelm Bornhardt00.png
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[edit]DescriptionWilhelm Bornhardt00.png |
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) |
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[edit]Public domainPublic domainfalsefalse |
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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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 12:10, 23 January 2010 | ![]() | 1,600 × 1,116 (108 KB) | Androstachys (talk | contribs) | {{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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