Mounting for condenser

1801-1830

Parabolic condenser, English, 1850-1900

1851-1900

Condenser in filter tube, hinged on a stand

1901-1930

Superstage condenser for drum

1780-1840

Condenser with iris diaphragm

1851-1930

Reichert dark field condenser for microscope

1950-1970

Two plano convex lenses set in concentric tubes

1801-1900

Two convex lenses in concentric tubes

1801-1900

Flip-top microscope condenser

1960-1975

Watson phase contrast outfit, 1951 to 1965

1951-1965

Watson Holos paraboloid system, c. 1930

1921-1950

Microscope condenser and mirror, with box, 1890-1900

1890-1910

Low power microscope condenser by Leilz

1970-1985

Low power microscope condenser by Leitz

1975-1985

Convex lens in brass tube

1801-1830

Stand for condenser lens

1831-1870

Stand for condenser lens

1851-1900

Microscope condenser with crushing top lens

1958-1962