File:DSCN1739-thomson-tide-machine.jpg
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DescriptionDSCN1739-thomson-tide-machine.jpg |
English: Tide predicting machine, by Sir William Thomson in 1876.
The accompanying plaque says: this, the first full sized machine for predicting tides, combined ten tidal components (one pulley for each componenet). It could trace the heights of the tides for one year in about four hours. See-also http://www.bartleby.com/30/16.html, esp. figure 132. Location: Science Museum, London. |
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Date | upload on 20:53, February 19, 2005 | |||||||||||
Source | en:Image:DSCN1739-thomson-tide-machine.jpg | |||||||||||
Author | William M. Connolley | |||||||||||
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current | 12:19, 10 December 2006 | 600 × 700 (77 KB) | Suku | {{Information |Description=Tide predicting machine, by Sir William Thomson in 1876. Location: Science Museum, London. Photo: William M. Connolley, 2005/02. Th |
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F-number | f/2.9 |
ISO speed rating | 80 |
Date and time of data generation | 14:47, 18 February 2005 |
Lens focal length | 10.2 mm |
Horizontal resolution | 300 dpi |
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File change date and time | 14:47, 18 February 2005 |
Y and C positioning | Co-sited |
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Exif version | 2.1 |
Date and time of digitizing | 14:47, 18 February 2005 |
Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 2.6 APEX (f/2.46) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
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