File:Hugh Longbourne Callendar.jpg
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DescriptionHugh Longbourne Callendar.jpg | Hugh Longbourne Callendar, English physicist, c 1900. | ||||
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circa 1900 date QS:P,+1900-00-00T00:00:00Z/9,P1480,Q5727902 |
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Source | [1] | ||||
Author | Unknown authorUnknown author | ||||
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current | 16:58, 2 March 2020 | 1,475 × 2,048 (926 KB) | Materialscientist (talk | contribs) | {{Information |description=Hugh Longbourne Callendar, English physicist, c 1900. |date=c.1900 |source=[https://www.gettyimages.com/detail/nieuwsfoto's/callendar-was-professor-of-physics-at-mcgill-university-nieuwsfotos/90771984] |author=Unknown |permission={{PD-UK-unknown}} |other versions= }} Category:Physicistst from the United Kingdom |
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Image title | ENGLAND - SEPTEMBER 09: Callendar (1863-1930) was professor of physics at McGill University, Montreal; at University College London; and at the Imperial College of Science. Callendar invented an air thermometer with constant pressure which could measure up to 450 degrees Celsius. He also made a platinum resistance thermometer which was extremely accurate. (Photo by SSPL/Getty Images) |
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