File:Wireless Telegraphy Popularity-080.jpg
Original file (1,768 × 2,291 pixels, file size: 1.33 MB, MIME type: image/jpeg)
Captions
Summary
[edit]Wireless Telegraphy and Telephony; Popularity Explained | |||||||||||||||||||||||||||||||||||||
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Author |
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Title | |||||||||||||||||||||||||||||||||||||
Subtitle | Popularly Explained | ||||||||||||||||||||||||||||||||||||
Publisher | |||||||||||||||||||||||||||||||||||||
Object type | version, edition or translation / digital representation / digital media | ||||||||||||||||||||||||||||||||||||
Description |
Image or page from the book |
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Language | English | ||||||||||||||||||||||||||||||||||||
Publication date | 1908 | ||||||||||||||||||||||||||||||||||||
Place of publication | New York City | ||||||||||||||||||||||||||||||||||||
Authority file | |||||||||||||||||||||||||||||||||||||
Source | File:Wireless Telegraphy and Telephony (1908, Massey and Underhill).djvu | ||||||||||||||||||||||||||||||||||||
Other versions |
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Licensing
[edit]This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag. Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:52, 30 June 2024 | 1,768 × 2,291 (1.33 MB) | RaboKarbakian (talk | contribs) | {{Book | Subtitle = Popularly Explained | Description = Image or page from the book | Source = File:Wireless Telegraphy and Telephony (1908, Massey and Underhill).djvu | Image page = 80 | Wikidata = Q126843961 }} == {{int:license-header}} == {{PD-scan|PD-US-expired}} Category:Wireless Telegraphy and Telephony (1908, Massey and Underhill) |
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File usage on Commons
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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 | SONY |
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Camera model | ILCE-6300 |
Exposure time | 1/20 sec (0.05) |
F-number | f/8 |
ISO speed rating | 500 |
Date and time of data generation | 14:14, 26 November 2018 |
Lens focal length | 55 mm |
JPEG file comment | |
Orientation | Normal |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | GIMP 2.10.36 |
File change date and time | 10:26, 30 June 2024 |
Y and C positioning | Centered |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 14:14, 26 November 2018 |
Meaning of each component |
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APEX brightness | 2.38046875 |
APEX exposure bias | 0 |
Maximum land aperture | 1.6959938168234 APEX (f/1.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 82 mm |
Scene capture type | Standard |
Contrast | Soft |
Saturation | Low saturation |
Sharpness | Soft |
Unique ID of original document | xmp.did:3108c89f-3787-45ef-8ead-d8567c35a465 |