File:Gray PhonAudograph dictation phone - Telephone Museum - Waltham, Massachusetts - DSC08226.jpg
Original file (4,486 × 3,466 pixels, file size: 5.18 MB, MIME type: image/jpeg)
Captions
Summary
editDescriptionGray PhonAudograph dictation phone - Telephone Museum - Waltham, Massachusetts - DSC08226.jpg |
English: Exhibit in the Telephone Museum - Waltham, Massachusetts, USA. As a utilitarian object, this exhibit is NOT subject to copyright laws. Instead it is subject to Industrial Design Rights; see Industrial Design Right for more information. If this object was ever covered by a design patent, that patent has expired, and thus this image is in the public domain. |
Date | |
Source | Own work |
Author | Daderot |
Licensing
editThis 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 |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:02, 21 April 2019 | 4,486 × 3,466 (5.18 MB) | Daderot (talk | contribs) | User created page 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 | SONY |
---|---|
Camera model | DSC-RX100M3 |
Author | Picasa |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2.8 |
ISO speed rating | 125 |
Date and time of data generation | 14:31, 29 November 2018 |
Lens focal length | 16.17 mm |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | DSC-RX100M3 v1.00 |
File change date and time | 06:04, 21 April 2019 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 14:31, 29 November 2018 |
Meaning of each component |
|
Image compression mode | 4 |
APEX brightness | −0.75625 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, compulsory flash firing |
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 | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 44 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique image ID | 85c4218e2e1de0c514cac62aa05172ad |
IIM version | 4 |