File:Clockworks Wien 2009 IMG 0027.JPG
Original file (2,848 × 4,272 pixels, file size: 3.89 MB, MIME type: image/jpeg)
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DescriptionClockworks Wien 2009 IMG 0027.JPG |
balance spring or hair spring adjusting tool, für Uhren von 1940; Bienne (fr) or Biel (de) in Switzerland; E. LUTHY-HIRT (BIENNE) BALANCE-HAIR SPRING ADJUSTING TOOL C. 1910 English: Watchmaker's hairspring "vibrating" tool, from Switzerland 1910. This was used by watchmakers to adjust the length of a balance wheel's hairspring before installing it in a watch. The hairspring was attached to the tiny pointed clamp, and the balance wheel was suspended from the vertical arm, hanging by its hairspring. The balance was set rotating back and forth, and its period was compared with the period of the precision calibrated balance wheel mounted under the glass in the base. The clamp was moved up and down the hairspring until the two balance wheels rotated in synchronism. This determined the proper point on the hairspring for the lever curb pins. |
Date | |
Source | Self-photographed |
Author | Politikaner |
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Attribution ShareAlike 3.0 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:45, 12 November 2009 | 2,848 × 4,272 (3.89 MB) | Politikaner (talk | contribs) | {{Information |Description=Uhrwerk, Wien |Source=own picture |Date=Oktober 2009 |Author=Politikaner |Permission=Attribution ShareAlike 3.0 |other_versions= }} {{cc-by-sa-3.0}} Category:Clockworks |
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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 EOS 450D |
Exposure time | 1/50 sec (0.02) |
F-number | f/8 |
ISO speed rating | 200 |
Date and time of data generation | 13:33, 10 October 2009 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 13:33, 10 October 2009 |
Y and C positioning | Co-sited |
Exposure Program | Shutter priority |
Exif version | 2.21 |
Date and time of digitizing | 13:33, 10 October 2009 |
APEX shutter speed | 5.625 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 07 |
DateTimeOriginal subseconds | 07 |
DateTimeDigitized subseconds | 07 |
Color space | sRGB |
Focal plane X resolution | 4,876.7123287671 |
Focal plane Y resolution | 4,865.6036446469 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |