File:Lighthouse carbide grinder.jpg
Original file (2,206 × 2,205 pixels, file size: 705 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionLighthouse carbide grinder.jpg | Carbide grinder, used in making acetylene gas by hand on lighthouse stations during the mid 20th century. Displayed at Hurst Castle. |
Date | |
Source | Own work |
Author | Dave Pape |
Permission (Reusing this file) |
PD-user |
Licensing
[edit]Public domainPublic domainfalsefalse |
This work has been released into the public domain by its author, Davepape. This applies worldwide. In some countries this may not be legally possible; if so: |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:00, 8 December 2011 | 2,206 × 2,205 (705 KB) | DavepapeBot (talk | contribs) | Fix orientation in EXIF | |
06:13, 27 September 2007 | 2,205 × 2,206 (705 KB) | DavepapeBot (talk | contribs) | {{Information |Description=Carbide grinder, used in making acetylene gas by hand on lighthouse stations during the mid 20th century. Displayed at {{w|Hurst Castle}}. |Source=own work |Date=2007-07-07 |Author=Dave Pape |Permission=PD-use |
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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 DIGITAL REBEL XT |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/5.6 |
ISO speed rating | 400 |
Date and time of data generation | 08:10, 7 July 2007 |
Lens focal length | 41 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 08:10, 7 July 2007 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 08:10, 7 July 2007 |
Meaning of each component |
|
APEX shutter speed | 5.9068908691406 |
APEX aperture | 4.9708557128906 |
APEX exposure bias | −1 |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 3,954.233409611 |
Focal plane Y resolution | 3,958.7628865979 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |