File:Pritchett Metford bullet.jpg
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Pritchett_Metford_bullet.jpg (772 × 390 pixels, file size: 48 KB, MIME type: image/jpeg)
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Summary[edit]
| Description |
日本語: 技術者のウィリアム・エリス・メトフォードがアイデアを練り、イギリスのガンメーカーであるロバート・テイラー・プリチェットによって設計・開発された弾丸です。挿入物の圧入によって拡張するミニエー弾とは違い、火薬の燃焼によって発生するガスの圧力が慣性の法則と物理によって弾丸を拡張させます。この画像は、1855年に出版された本からの引用であり、パブリックドメインとなります。 |
| Date | |
| Source | A Treatise on Naval Gunnery |
| Author | Sir Howard Douglas |
Licensing[edit]
|
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. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:33, 12 August 2021 | | 772 × 390 (48 KB) | 上野ネズミ (talk | contribs) | Uploaded a work by Sir Howard Douglas from A Treatise on Naval Gunnery with UploadWizard |
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