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Size of this preview: 450 × 600 pixels. Other resolutions: 180 × 240 pixels | 360 × 480 pixels | 576 × 768 pixels | 768 × 1,024 pixels | 2,448 × 3,264 pixels.
Original file (2,448 × 3,264 pixels, file size: 1.67 MB, MIME type: image/jpeg)
Summary
DescriptionWestern Electric UNIX User's Guide (open).jpg |
English: The first page in the Western Electric UNIX User's Guide. Of note is the "7-hole punch" that appears to have been common throughout the Bell System at this time, on account of at least 2 different binder styles. |
Date | |
Source | Own work |
Author | Craig MacGregor |
Camera location | 40° 40′ 54.24″ N, 74° 24′ 05.4″ W | View this and other nearby images on: OpenStreetMap | 40.681732; -74.401500 |
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Items portrayed in this file
depicts
creator
some value
object has role: photographer
author name string: Craig MacGregor
Wikimedia username: Cmacgreg
copyright status
copyrighted
copyright license
Creative Commons Attribution 3.0 Unported
inception
30 December 2012
coordinates of the point of view
40°40'54.235"N, 74°24'5.400"W
captured with
iPhone 4S
source of file
original creation by uploader
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 05:07, 31 December 2012 | 2,448 × 3,264 (1.67 MB) | Cmacgreg | User created page with UploadWizard |
File usage
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Global file usage
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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 | Apple |
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Camera model | iPhone 4S |
Exposure time | 1/90 sec (0.011111111111111) |
F-number | f/2.4 |
ISO speed rating | 64 |
Date and time of data generation | 22:45, 30 December 2012 |
Lens focal length | 4.28 mm |
Latitude | 40° 42′ 54.6″ N |
Longitude | 74° 2′ 51.6″ W |
Altitude | 5 meters above sea level |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | 5.1.1 |
File change date and time | 22:45, 30 December 2012 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 22:45, 30 December 2012 |
Meaning of each component |
|
Shutter speed | 6.4891428571429 |
APEX aperture | 2.5260688216893 |
APEX brightness | 5.64639905549 |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
GPS time (atomic clock) | 03:45:26.77 |
Reference for direction of image | True direction |
Direction of image | 67.632203389831 |
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