File:Altair 8800 and Model 33 ASR Teletype .jpg
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AHMED20015
Summary
DescriptionAltair 8800 and Model 33 ASR Teletype .jpg |
English: An original kit-built 1975 Altair 8800 computer with the popular Model 33 ASR (Automatic Send and Receive) Teletype as terminal. This particular unit is Altair serial #220040K, one of the first hundred sold. It was originally purchased by Dr. John Bahr of Milwaukee General Hospital for research on the use of respirators in the neonatal intensive care unit. (Image courtesy of Boston-based collector Timothy Colegrove. For more information about this image send an email to timothy.colegrove@gmail.com) |
Date | |
Source | Own work |
Author | Tim Colegrove |
Camera location | 42° 18′ 47.87″ N, 71° 06′ 06.23″ W | View this and other nearby images on: OpenStreetMap | 42.313297; -71.101731 |
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Items portrayed in this file
depicts
some value
4 March 2020
42°18'47.869"N, 71°6'6.232"W
0.05 second
2.2
4.15 millimetre
200
image/jpeg
73dddf6ea3ad14e8f041439558e7556b7b7bf5c6
802,537 byte
3,024 pixel
4,032 pixel
File history
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Date/Time | Dimensions | User | Comment | |
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current | 21:45, 23 April 2020 | 4,032 × 3,024 (784 KB) | Springsgrace | Cross-wiki upload from en.wikipedia.org |
File usage
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Metadata
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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 6s |
Exposure time | 1/20 sec (0.05) |
F Number | f/2.2 |
ISO speed rating | 200 |
Date and time of data generation | 21:23, 4 March 2020 |
Lens focal length | 4.15 mm |
Latitude | 42° 18′ 47.87″ N |
Longitude | 71° 6′ 6.23″ W |
Altitude | 17.366 meters above sea level |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | 13.3.1 |
File change date and time | 21:23, 4 March 2020 |
Subsampling ratio of Y to C |
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Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 21:23, 4 March 2020 |
Meaning of each component |
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APEX shutter speed | 4.3220146557952 |
APEX aperture | 2.2750070475475 |
APEX brightness | 0.88648522232292 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
DateTimeOriginal subseconds | 128 |
DateTimeDigitized subseconds | 128 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 29 mm |
Scene capture type | Standard |
Unique image ID | 9ac99a898ca06ed10000000000000000 |
Speed unit | Kilometers per hour |
Speed of GPS receiver | 0 |
Reference for direction of image | True direction |
Direction of image | 237.52952565344 |
Reference for bearing of destination | True direction |
Bearing of destination | 237.52952565344 |
GPS date | 5 March 2020 |
GPS tag version | 2.2.0.0 |