Monocular microscope
1975-1985
Binocular miscroscope
1980-1988
Portable microscope based on design by John McArthur
1950-1960
Stereoscopic microscope of basic design
1960-1975
Stereoscopic microscope
1965-1950
McArthur portable engineering microscope
1987
Stereoscopic research microscope
1957
Stereoscopic research microscope
1965
Monocular polarising microscope
1950-1965
Binocular microscope
1965-1980
"Dialux" research microscope
1955-1965
Monocular student microscope
1965-1980
Monocular portable microscope
1970-1980
Research microscope with interchangable monocular and binocular attachements quadruple nosepiece and mechanical stage
1970-1985
Monocular microscope
1965-1970
McArthur bio-medical monocular microscope
1987
Binocular research microscope
1950-1965
Microscope, model Bactil-60
1958-1962
Monocular microscope
1940-1955
Binocular research microscope
1945-1960
Monocular microscope
1970-1980
Ultramicrotome, type 4801A
1965-1975
Interference microscope
1955-1965
"Biolam" microscope outfit
1974