Image:The Great Gate, aka Francis' Folly, Lowell, Massachusetts.JPG
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The Great Gate at the entrance of the Pawtucket Canal. Known as Francis' Folly, Francis Gate, or the Great Gate - Lowell, Massachusetts. Built by Chief Engineer James B. Francis in 1850, it protected Lowell from devastating floods in 1852, 1936, 2006, and 2007. The wooden gate suspended from the house was used in 1852 and 1936, whereas a more modern steel bulkhead of 16 inch by 16 inch beams was braced against the gatehouse in 2006 and 2007. Now part of the Lowell National Historical Park. Photograph taken by me, July 2005.
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 22:35, 23 July 2005 | 2,560×1,920 (1.04 MB) | Daderot (Talk | contribs) | ((GFDL}}The Great Gate, also known as Francis' Folly or Francis Gate, Lowell, Massachusetts. Built by Chief Engineer James B. Francis in 1850, it protected Lowell from a devastating flood in 1852. Now part of the Lowell National Historical Park. Photograph) |
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| Camera manufacturer | OLYMPUS OPTICAL CO.,LTD |
|---|---|
| Camera model | X-2,C-50Z |
| Exposure time | 1/200 sec (0.005) |
| F-number | f/5.6 |
| Date and time of data generation | Unknown date |
| Lens focal length | 7.8 mm |
| Image title | OLYMPUS DIGITAL CAMERA |
| Orientation | Normal |
| Horizontal resolution | 144 dpi |
| Vertical resolution | 144 dpi |
| Software used | 28-1014 |
| File change date and time | Unknown date |
| Y and C positioning | 2 |
| Exposure Program | Creative program (biased toward depth of field) |
| ISO speed rating | 80 |
| Exif version | 2.2 |
| Date and time of digitizing | Unknown date |
| Exposure bias | 0 |
| Maximum land aperture | 3 |
| Metering mode | Pattern |
| Light source | Unknown |
| Flash | 24 |
| Color space | sRGB |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Digital zoom ratio | 1 |
