File:Heathkit Analog Computer.jpg
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Size of this preview: 800 × 592 pixels. Other resolutions: 320 × 237 pixels | 640 × 473 pixels | 1,024 × 757 pixels | 1,280 × 947 pixels | 2,560 × 1,893 pixels | 3,234 × 2,392 pixels.
Original file (3,234 × 2,392 pixels, file size: 1.33 MB, MIME type: image/jpeg)
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Structured data
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Summary
[edit]DescriptionHeathkit Analog Computer.jpg |
English: 1 The Heathkit EC-1 Educational Analog Computer was introduced in 1960 and could be purchased assembled or as a kit for $400. This was commonly used to educate electrical engineers in analog techniques. Photo by Michael Holley at the Computer History Museum in Mountain View, California. Taken with a Canon PowerShot A630 using existing light on November 4, 2007. |
Date | |
Source | Own work |
Author | Swtpc6800 Michael Holley |
Other versions | File:Heathkit Analog Computer Cords.jpg |
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:34, 1 December 2013 | 3,234 × 2,392 (1.33 MB) | Swtpc6800 (talk | contribs) | =={{int:filedesc}}== {{Information |Description={{en|1 The Heathkit EC-1 Educational Analog Computer was introduced in 1960 and could be purchased assembled or as a kit for $400. This was commonly used to educate electrical engineers in analog techniqu... |
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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.
Image title |
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Camera manufacturer | Canon |
Camera model | Canon PowerShot A630 |
Author | Michael Holley |
Exposure time | 1/8 sec (0.125) |
F-number | f/3.5 |
ISO speed rating | 233 |
Date and time of data generation | 12:06, 4 November 2007 |
Lens focal length | 14.926 mm |
Width | 3,234 px |
Height | 2,392 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop Elements 11.0 Windows |
File change date and time | 19:29, 30 November 2013 |
Exif version | 2.2 |
Date and time of digitizing | 12:06, 4 November 2007 |
Meaning of each component |
|
Image compression mode | 3 |
APEX shutter speed | 3 |
APEX aperture | 3.625 |
APEX exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 11,412.587412587 |
Focal plane Y resolution | 11,439.252336449 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 7.3-29.2 mm |
Date metadata was last modified | 11:29, 30 November 2013 |
Unique ID of original document | EC6277B9F7ED475CD8E35D937FF01E28 |
IIM version | 8,652 |