File:Mary N. Crawford, shown sitting next to blackboard (3321962495).jpg
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DescriptionMary N. Crawford, shown sitting next to blackboard (3321962495).jpg |
Description: Physician Mary N. Crawford worked at the Serum Exchange of the Children's Hospital of Philadelphia, where, in 1962, she discovered that she was one of a few people in the world with the rare blood type Lu (a-b-) and that her blood might be donated to a patient in Great Britain. Creator/Photographer: Unidentified photographer Medium: Black and white photographic print Persistent URL: http://photography.si.edu/SearchImage.aspx?id=5740 Repository: Smithsonian Institution Archives Collection: Accession 90-105: Science Service Records, 1920s – 1970s - Science Service, now the Society for Science & the Public, was a news organization founded in 1921 to promote the dissemination of scientific and technical information. Although initially intended as a news service, Science Service produced an extensive array of news features, radio programs, motion pictures, phonograph records, and demonstration kits and it also engaged in various educational, translation, and research activities. Accession number: SIA2008-0695 |
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Mary N. Crawford, shown sitting next to blackboard
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Author | Smithsonian Institution from United States | |||
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current | 12:10, 19 October 2012 | ![]() | 3,240 × 3,990 (1.85 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:Magnus Manske |
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Width | 3,240 px |
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Height | 3,990 px |
Compression scheme | Uncompressed |
Pixel composition | Palette |
Orientation | Normal |
Number of components | 1 |
Horizontal resolution | 400 dpi |
Vertical resolution | 400 dpi |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 17:23, 27 February 2009 |
Color space | Uncalibrated |
Image width | 3,240 px |
Image height | 3,990 px |
Bits per component | 8 |
Date and time of digitizing | 12:23, 27 February 2009 |
Date metadata was last modified | 12:23, 27 February 2009 |