File:Holmes switchboard may 1877.jpg
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File information
Structured data
Captions
Summary
[edit]DescriptionHolmes switchboard may 1877.jpg |
Русский: Первый коммутатор Холмса. май 1877 |
Date | |
Source | Holmes, Edwin Thomas. A Wonderful Fifty Years. — Andersite Press, 2017. — ISBN 9-781376-317312. |
Author | Unknown authorUnknown author |
Licensing
[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Holmes_switchboard_may_1877.jpg |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 11:21, 11 January 2021 | 3,733 × 520 (589 KB) | CodeName47km (talk | contribs) | Uploaded a work by Unknown from Holmes, Edwin Thomas. A Wonderful Fifty Years. — Andersite Press, 2017. — ISBN 9-781376-317312. with UploadWizard |
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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 | Apple |
---|---|
Camera model | iPhone 7 |
Exposure time | 1/13 sec (0.076923076923077) |
F-number | f/1.8 |
ISO speed rating | 100 |
Date and time of data generation | 18:03, 20 April 2020 |
Lens focal length | 3.99 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Windows Photo Editor 10.0.10011.16384 |
File change date and time | 11:00, 21 April 2020 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 18:03, 20 April 2020 |
Meaning of each component |
|
APEX shutter speed | 3.6452093501156 |
APEX aperture | 1.6959938128384 |
APEX brightness | 0.94182084514218 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
DateTimeOriginal subseconds | 324 |
DateTimeDigitized subseconds | 324 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |