File:Columbiad 10-inch Model 1840 Side View.jpg
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Original file (3,221 × 1,837 pixels, file size: 3.22 MB, MIME type: image/jpeg)
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[edit]DescriptionColumbiad 10-inch Model 1840 Side View.jpg |
English: Photograph of a coastal defense gun on a center pivot barbette mount, intended for parapet positions on the coastal fortifications of the United States as part of the Second System of Defense. This gun is a Model 1811 prototype designed by George Bomford, later Chief of Ordnance, U.S. Army. The gun is a 50-pounder Columbiad, bore is 7.25 inches, barrel length is 74 inches, bore length is 63.5 inches. The barrel weighs 6312 pounds. A Columbiad was longer than a howitzer but shorter than a gun. This is a front view. The carriage and chassis restoration is by Paulson Brothers Ordnance of Clear Lake, Wisconsin. This display is located in Clear Lake, Wisconsin. |
Date | |
Source | Own work |
Author | Calendar5 |
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[edit]I, the copyright holder of this work, hereby publish it under the following license:
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:59, 29 October 2011 | 3,221 × 1,837 (3.22 MB) | Calendar5 (talk | contribs) |
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Camera manufacturer | NIKON |
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Camera model | COOLPIX L120 |
Exposure time | 1/160 sec (0.00625) |
F-number | f/8.7 |
ISO speed rating | 80 |
Date and time of data generation | 15:32, 27 October 2011 |
Lens focal length | 4.5 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | COOLPIX L120V1.0 |
File change date and time | 15:32, 27 October 2011 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 15:32, 27 October 2011 |
Meaning of each component |
|
Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 3.2 APEX (f/3.03) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 25 mm |
Scene capture type | Landscape |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |