Astrographic measuring at the Paris Observatory, used in and 1895 article on star catalogues by Dorothea Klumpke http://articles.adsabs.harvard.edu/full/1895BSAFR...9..201K
Yerkes Observatory staff, August 1916. University of Chicago Photographic Archive.
1798 “Two women and a baby watch naval manoeuvres from the quayside through a telescope.”
Ruth Colvin Starrett McGuire (1893-1950), a plant pathologist at the U.S. Department of Agriculture's Bureau of Plant Industry.
Émilie du Châtelet wielding dividers, with armillary sphere, books and diagrams. By Maurice Quentin de La Tour.
Instructor Gloria Hixon conducting Zoology class at Howard University, Washington DC, 1946. From Life magazine.
Portrait by Korean artist 이유태 (YI Yoo Tae) 1944 http://www.mmca.go.kr/collections/collectionsDetail.do?menuId=2010000000&wrkMngNo=KO-03892
Marie Stopes: Lecturer in Palaeobotany at University of Manchester, 1904-1907
Philosophy Presenting the Seven Liberal Arts to Boethius, c.1460-70, attributed to the Coëvity Master. (Getty Museum)
American chemist Ruby Sakae Hirose (1904-1960) at William S. Merrell Laboratories (Smithsonian Institution Archives).
A seaside promenade (1810s)
SSPL/Getty Women testing explosives at a factory in Gretna, UK.
Women at Bletchley Park with the Colossus computer
Philadelphia College of Pharmacy and Science, c. 1933
Girton College, Cambridge, c. 1900
Rosalind Franklin with microscope, 1955
Dorothy Hodgkin, by Maggi Hambling, 1985. Model as instrument?
Palaeontologist Hildegard Howard at the Natural History Museum of Los Angeles County, 1938. (NHM of LAC Copyright)
Marie Tharp, sitting at her desk at Columbia’s Lamont Geological Observatory, 1956. Copyright: Lamont Archives, Lamont-Doherty Earth Observatory.
Jocelyn Bell Burnell with the radio telescope antenna at Cambridge
Comet of 1812, seen from the Pont Neuf in Paris (Granger)