Microscopes
1870-1888
Surveying
1976
1970
Photographic Technology
1958-1965
Optics
1925-1929
1895-1899
Microscopy (Wellcome)
1906-1945
1900-1945
1967
1920-1950
1980-1987
Laboratory Medicine
1900-1940
1875-1900
1880-1900
Electricity and Magnetism
1910-1940
1937-1945
1890-1920
1871-1900
1901-1945
Astronomy
1960-1965
Scientific Instruments & Research
1907
1945-1960
Clinical Diagnosis
1891-1930
1906-1911
Industrial Metrology
1876
1910-1930
1890-1900
Public Health & Hygiene
1981
Experimental Chemistry
1900
1905-1915
1933-1939
1940
1891-1910
1851-1900
1950-1965
1941-1960
1939