File:Sibyl_Rock_Control_Engineering_1955.jpg
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Sibyl_Rock_Control_Engineering_1955.jpg (522 × 480 pixels, file size: 120 KB, MIME type: image/jpeg)
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DescriptionSibyl Rock Control Engineering 1955.jpg |
English: Photograph of Sibyl M. Rock in the article "Sibyl Rock puts digits to work" in Control Engineering, February 1955, p. 11.
Mathematician Sibyl Rock is seated, smiling, in front of an ElectroData computer. No copyright renewal. No author identified. No photographer identified. |
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Date | |||||||
Source | "Sibyl Rock puts digits to work" in Control Engineering, February 1955, p. 11. | ||||||
Author | No authors indicated in original | ||||||
Permission (Reusing this file) |
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Items portrayed in this file
depicts
February 1955
0.01666666666666666666 second
2.8
5.7 millimetre
133
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:16, 16 October 2013 | 522 × 480 (120 KB) | Mary Mark Ockerbloom | {{Information |Description ={{en|1=Photograph of Sibyl M. Rock in the article "Sibyl Rock puts digits to work" in ''Control Engineering'', February 1955, p. 11. Mathematician Sibyl Rock is seated, smiling, in front of an Elect... |
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Metadata
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Camera manufacturer | NIKON |
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Camera model | COOLPIX L12 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/2.8 |
ISO speed rating | 133 |
Date and time of data generation | 12:53, 13 April 2009 |
Lens focal length | 5.7 mm |
Horizontal resolution | 120 dpi |
Vertical resolution | 120 dpi |
Software used | Adobe Photoshop Elements 3.0 |
File change date and time | 22:17, 13 April 2009 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 12:53, 13 April 2009 |
Meaning of each component |
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Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 35 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 522 px |
Image height | 480 px |
Date metadata was last modified | 16:08, 13 April 2009 |
Keywords | B205 |
IIM version | 2 |