File:Chinese Mariner's Compass c. 1760 (NAV0240), National Maritime Museum.JPG
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DescriptionChinese Mariner's Compass c. 1760 (NAV0240), National Maritime Museum.JPG |
English: Photo of a Chinese compass from c. 1760 taken at the National Maritime Museum, United Kingdom. (more information available on the museum website) Museum label: "The compass was invented in ancient China and was eventually used as a navigational instrument. These compasses have 24 Chinese characters around the dial. Each represents a directional point in 15 degree divisions." |
Date |
circa 1760 date QS:P,+1760-00-00T00:00:00Z/9,P1480,Q5727902 , photo taken in 2016 |
Source | Own work |
Author | Victoria C |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:50, 26 March 2017 | 2,288 × 1,520 (955 KB) | Victoria C (talk | contribs) | =={{int:filedesc}}== {{Information |description={{en|1=Photo of a Chinese compass from c. 1760 taken at the National Maritime Museum, United Kingdom. [http://collections.rmg.co.uk/collections/objects/42452.html (more information available on the museum... |
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Exposure time | 1/30 sec (0.033333333333333) |
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F-number | f/5 |
Lens focal length | 47 mm |
Orientation | Normal |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
File change date and time | 07:50, 13 January 2010 |
Y and C positioning | Co-sited |
Meaning of each component |
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Image compression mode | 2 |
APEX brightness | −0.13 |
APEX exposure bias | 0 |
Maximum land aperture | 4.64 APEX (f/4.99) |
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 |
Scene capture type | Standard |