File:Process of attack.png
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Summary
| Description |
English: "Plan exhibiting the process of attack on two fronts of fortification". A diagram showing the method of approaching an enemy fort using saps and parallels, published in 1859. |
| Date | |
| Source |
Douglas, Howard, Sir (1859), Observations on modern systems of fortification. London, John Murray. p. 162 https://babel.hathitrust.org/cgi/pt?id=hvd.32044020538583;view=2up;seq=192 |
| Author | Illustrations not credited. |
Licensing
|
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. 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:23, 8 February 2018 | | 1,098 × 1,014 (672 KB) | Alansplodge | User created page with UploadWizard |
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