File:Lancaster oval bore rifling.jpg
Lancaster_oval_bore_rifling.jpg (557 × 538 pixels, file size: 84 KB, MIME type: image/jpeg)
Captions
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Summary
editDescriptionLancaster oval bore rifling.jpg |
日本語: チャールズ・ランカスターによって開発された楕円形ライフリングのイラストです。ライフリングと言いながらも、銃身内に施条が彫られているわけではないため、滑腔銃身です。ねじれは1回転で18インチなど、速いツイストになっています。この画像は、1884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 |
The Modern Sportsman's Gun and Rifle Including Game and Wildfowl Guns, Sporting and Match Rifles, and Revolvers · 第 2 巻 |
Author | John Henry Walsh |
Licensing
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This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:33, 15 September 2021 | ![]() | 557 × 538 (84 KB) | 上野ネズミ (talk | contribs) | Uploaded a work by John Henry Walsh from The Modern Sportsman's Gun and Rifle Including Game and Wildfowl Guns, Sporting and Match Rifles, and Revolvers · 第 2 巻 with UploadWizard |
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Metadata
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User comments | Screenshot |
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Horizontal resolution | 144 dpi |
Vertical resolution | 144 dpi |
File change date and time | 12:29, 4 September 2021 |
Y and C positioning | Centered |
Exif version | 2.21 |
Meaning of each component |
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Supported Flashpix version | 1 |
Color space | sRGB |
Scene capture type | Standard |
Date metadata was last modified | 21:29, 4 September 2021 |