File:H.W.Sullivan_Galavanometer_London.jpg
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Summary
DescriptionH.W.Sullivan Galavanometer London.jpg |
English: Galvanometer by H.W. Sullivan, London. late 19th or early 20th century. This galvanometer was used at the transatlantic cable station at Halifax, Nova Scotia, Canada. |
Date | 20 December 2010 (original upload date) |
Source | Transferred from en.wikipedia to Commons. |
Author | Williamgelbart at English Wikipedia |
Licensing
Williamgelbart at English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
Original upload log
Transferred from en.wikipedia to Commons by Wdwd using CommonsHelper.
The original description page was here. All following user names refer to en.wikipedia.
- 2010-12-20 02:11 Williamgelbart 850×1119× (388429 bytes) Galvanometer by H.W. Sullivan, London. late 19th century. This galvanometer was used at the transatlantic cable station in Halifax, Nova Scotia, Canada.
Items portrayed in this file
depicts
20 December 2010
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 07:47, 6 September 2013 | 850 × 1,119 (379 KB) | File Upload Bot (Magnus Manske) | Transfered from en.wikipedia by User:wdwd using CommonsHelper |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
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- Usage on ca.wikipedia.org
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot A640 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/2.8 |
Date and time of data generation | 14:44, 19 December 2010 |
Lens focal length | 7.3 mm |
Width | 2,736 px |
Height | 3,648 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS5 Windows |
File change date and time | 17:20, 19 December 2010 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 14:44, 19 December 2010 |
Meaning of each component |
|
Image compression mode | 5 |
Shutter speed | 5.90625 |
APEX aperture | 2.96875 |
Exposure bias | −0.33333333333333 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Subject distance | 0.45 meters |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 12,710.801393728 |
Focal plane Y resolution | 12,725.581395349 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 7.3-29.2 mm |
Date metadata was last modified | 09:20, 19 December 2010 |
Unique ID of original document | xmp.did:DF88BF50D70BE011842E8614EC05E8C7 |
IIM version | 117 |