File:Arbors set (AM 2004.44.70-14).jpg
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Original file (1,480 × 1,392 pixels, file size: 1.58 MB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary
[edit]Arbors set ( ) | ||||||||||||||||||||||||
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Artist |
Unknown authorUnknown author |
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Title |
Arbors set |
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Object type | Classification: 96717 | |||||||||||||||||||||||
Description |
English: Set of 12 turning arbors Twelve brass and steel arbors, brass disc attached to pointed steel rod, in cardboard box with red paper exterior. "1 Jeu arbres lisses 1 qualite - No. 1-12" printed on top of box. Pencil notations on top of box. An article with a hole in in was mounted firmly on the tapered part of the arbor. The arbor was mounted between the points of the turns, and the arbor and work were revolved forwards and backwards by a bow. Watchmakers' turns are a simple type of lathe. The work was mounted between points and revolved forwards and backwards by a bow, which had a thread (usually a horsehair) wrapped around a collet or small pulley attached to the work. The turning tool (graver) was held against a T rest as in a woodturning lathe. The sharpened tip of the graver was applied to the work at the correct angle and cut only on the downstroke of the bow, when the work was revolving towards the operator. Later, with the advent of electricity, a small electric motor was used to drive a small lathe, which held the work in a collet or chuck, and cutting was continuous, rendering the turns largely obsolete. |
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Date | 20th century; 21 May 2004; 06 May 2004; Circa 1930 | |||||||||||||||||||||||
Dimensions |
length: 81mm |
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Collection |
institution QS:P195,Q758657 |
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Accession number |
2004.44.70 |
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Place of creation | France | |||||||||||||||||||||||
Credit line | Collection of Auckland Museum Tamaki Paenga Hira, 2004.44.70 | |||||||||||||||||||||||
Source/Photographer | Photo | |||||||||||||||||||||||
Permission (Reusing this file) |
This image has been released as "CCBY" by Auckland Museum. For details refer to the Commons project page. | |||||||||||||||||||||||
Other versions |
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Licensing
[edit]This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: Auckland Museum
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:06, 5 January 2018 | 1,480 × 1,392 (1.58 MB) | Fæ (talk | contribs) | Auckland Museum Page 240.33 Object #24032 2004.44.70 Image 14/15 http://api.aucklandmuseum.com/id/media/v/62900 |
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File usage on Commons
The following 9 pages use this file:
- File:Arbors set (AM 2004.44.70-1).jpg
- File:Arbors set (AM 2004.44.70-11).jpg
- File:Arbors set (AM 2004.44.70-12).jpg
- File:Arbors set (AM 2004.44.70-13).jpg
- File:Arbors set (AM 2004.44.70-14).jpg
- File:Arbors set (AM 2004.44.70-15).jpg
- File:Arbors set (AM 2004.44.70-2).jpg
- File:Arbors set (AM 2004.44.70-3).jpg
- File:Arbors set (AM 2004.44.70-4).jpg
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.
Image title |
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Camera manufacturer | OLYMPUS OPTICAL CO.,LTD |
Camera model | C4040Z |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/4 |
ISO speed rating | 200 |
Date and time of data generation | Unknown date |
Lens focal length | 7.3 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 15:29, 12 October 2004 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.1 |
Date and time of digitizing | Unknown date |
Meaning of each component |
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Image compression mode | 5 |
APEX exposure bias | 0.7 |
Maximum land aperture | 1.7 APEX (f/1.8) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
IIM version | 2 |