File:British_Museum_Marine_Chronometer.jpg
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Contents
Summary
Description |
English: Marine chronometer made by Thomas Earnshaw (Senior) that was used on the HMS Beagle. Français : Chronomètre de marine du HMS Beagle |
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Date | 24 June 2010 | |||||||||||||||||||||||
Collection |
institution QS:P195,Q6373 |
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Source/Photographer | BabelStone (Own work) |
Details
British Museum reference | CAI.1957, L210 / Registration:1958,1006.1957 |
Detailed description | Marine chronometer, Rectangular mahogany box, lined with green baize, with brass carrying handles at the sides. Hinged lid with glazed viewing aperture and sliding mahogany cover. A key-operated lock at the front. There is an inserted plain ivory disc in the lid front. Silvered brass dial with Roman hours I-XII within a minutes circle. Subsidiary seconds dial above VI. Plain blued-steel hour, minute and seconds hands. Movement contained in a lacquered brass bowl. One-day spring-driven movement, with fusee and Harrison's maintaining power. Jewelled bearings for train wheels in screwed settings. Earnshaw spring-detent escapement with Earnshaw split-bimetallic temperature compensation balance and free-sprung helical blued-steel balance spring. |
Size | Height: 17.6 cm (6.9 in) Width: 20.8 cm (8.2 in) Depth: 20.8 cm (8.2 in) |
Location | Room 39 case 10 |
derivative works
Derivative works of this file: British Museum Marine Chronometer cropped.jpg
Licensing
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
Items portrayed in this file
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837,504 byte
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 07:28, 27 June 2010 | 1,512 × 2,496 (818 KB) | Fæ | Reduce slight milkiness from glass case reflections. Combination of gamma adjust, exposure reduction and histogram adjustment. | |
00:19, 27 June 2010 | 1,512 × 2,496 (604 KB) | BabelStone | {{Information |Description={{en|1=Marine chronometer made by Thomas Earnshaw (Senior) that was used on the HMS Beagle.}} |Source={{own}} |Author=BabelStone |Date=2010-06-24 |Permission= |other_versions= }} [[Category:Marine chronomete |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
- A History of the World in 100 Objects
- Courtenay Adrian Ilbert
- List of chronometers on HMS Beagle
- Second voyage of HMS Beagle
- Ship's chronometer from HMS Beagle
- Thomas Earnshaw
- User:BabelStone
- User:Victuallers/A History of "The World" in 100 Articles
- User talk:Spinningspark/Archive 14
- Wikipedia:GLAM/British Museum/Photos requested/Archive 1
- Wikipedia:Main Page history/2013 June 17
- Wikipedia:Today's featured list/June 17, 2013
- Wikipedia:Today's featured list/June 2013
- Wikipedia:WikiProject Military history/News/July 2012/Articles
- Wikipedia:Wikipedia Signpost/2013-01-28/Featured content
- Wikipedia:Wikipedia Signpost/Single/2013-01-28
- Portal:Engineering
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Orientation | Normal |
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Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 08:26, 27 June 2010 |
Color space | Uncalibrated |