File:A2g090 Cutterhead of dredge Bill Holman (42207111295).jpg
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Summary
[edit]DescriptionA2g090 Cutterhead of dredge Bill Holman (42207111295).jpg |
English: Dredging below McAlpine Locks.
Closeup of cutterhead of dredge "Bill Holman". (Apparently some debris is caught in the teeth). The cutterhead is in front of the intake, so as it rotates, dislodged material is sucked up and pumped via a floating pipeline to a location often hundreds of yards away. The starboard anchor cable can be seen dropping into the water. See a video about cutterhead dredges from the European dredging company Jan De Nul Group . Ohio River mile 607. Louisville, Kentucky. July 24, 2002. file # a2g090. . IMG_0315. Canon PowerShot A40 digital camera. |
Date | |
Source | a2g090: Cutterhead of dredge Bill Holman |
Author | William Alden from Louisville, Kentucky, USA |
Camera location | 38° 16′ 44.79″ N, 85° 48′ 00.03″ W | View this and other nearby images on: OpenStreetMap | 38.279109; -85.800008 |
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Licensing
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This image was originally posted to Flickr by Bill Alden at https://flickr.com/photos/70020260@N04/42207111295 (archive). It was reviewed on 27 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
27 November 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:39, 27 November 2019 | 1,600 × 1,200 (734 KB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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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 | Canon |
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Camera model | Canon PowerShot A40 |
Author | William Alden III |
Copyright holder | William Alden III |
Exposure time | 1/400 sec (0.0025) |
F-number | f/4.8 |
Date and time of data generation | 11:20, 24 July 2002 |
Lens focal length | 16.1875 mm |
Software used | Picture Window Pro 64 v6.0.10 |
File change date and time | 11:20, 24 July 2002 |
Exif version | 2.2 |
Date and time of digitizing | 11:20, 24 July 2002 |
APEX shutter speed | 8.65625 |
APEX aperture | 4.5260620117188 |
APEX exposure bias | 0 |
Maximum land aperture | 2.9708557128906 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 7,766.9902912621 |
Focal plane Y resolution | 0.00081232593534859 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1.3548990048127 |
Scene capture type | Standard |