File:The Arlington Line Marker (Defenses of Washington Marker Series) (3538315359).jpg
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Summary
[edit]DescriptionThe Arlington Line Marker (Defenses of Washington Marker Series) (3538315359).jpg |
Inscription: Here the Arlington Line constructed in August, 1861, crossed the Georgetown-Falls Church road. 100 yards to the northwest stood Fort Morton, a lunette with a perimeter of 250 yards and emplacements for 17 guns; 200 yards to the southeast stood Fort Woodbury, a lunette with a perimeter of 275 yards and emplacements for 13 guns. This marker is included in the Defenses of Washington marker series. www.hmdb.org/marker.asp?marker=5161 |
Date | |
Source |
The Arlington Line Marker (Defenses of Washington Marker Series)
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Author | Cliff from Arlington, Virginia, USA |
Licensing
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This image, originally posted to Flickr, was reviewed on 16 November 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:49, 16 November 2013 | 1,200 × 1,600 (804 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:AlbertHerring |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON |
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Camera model | COOLPIX P6000 |
Exposure time | 91,701/20,000,000 sec (0.00458505) |
F-number | f/5.3 |
ISO speed rating | 64 |
Date and time of data generation | 17:34, 15 May 2009 |
Lens focal length | 6.7 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | ACD Systems Digital Imaging |
File change date and time | 10:25, 17 May 2009 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 17:34, 15 May 2009 |
Meaning of each component | Y |
APEX exposure bias | 0 |
Maximum land aperture | 2.9 APEX (f/2.73) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 812 |
DateTimeOriginal subseconds | 0 |
DateTimeDigitized subseconds | 0 |
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 | 31 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 0.0.2.2 |
Image width | 4,224 px |
Image height | 3,168 px |