Photographic Technology
1841
Cinematography
1954-1968
Photographs
1933
Microscopes
1835
Obstetrics, Gynaecology & Contraception
1801-1830
Ophthalmology
1907-1930
Radiomedicine
1914-1918
Mathematics
1886
Psychology, Psychiatry & Anthropometry
1955
Electronic Components
1906-1972
Smoking
1871-1890
Microscopy (Wellcome)
1960-1965
Optics
1838-1854
Railways
1843
1831-1870
1955-1970
Unknown photographer
1870-1879
Surgery
1890-1930
1876-1900
1840-1860
1917
Scientific Instruments & Research
1880-1900
Clinical Diagnosis
1850-1920
1851-1900
Time Measurement
1875-1885
1801-1900
1901-1930
1850-1880
1840-1870
Experimental Chemistry
1880
1860-1900
Printed Books
1782
1850-1859
1795-1805
1930-1960