Microscopy (Wellcome)
1825-1850
Triple button objective and nose piece in cannister for Carpenter style set, English, 1825-1850
1871-1900
1/4 inch objective in cannister, by R. & J. Beck, London, late 19th century
1901-1930
Dark ground stage by C. Reichert of Vienna, early 20th century, owned by Dr. Albert Wilson, Austrian
1831-1870
Viewer with lens set at top of tube, two windows at the side, and fitting collar which can hold it in cannister, English, mid 19th century
1830-1850
Objective by James Smith of London, English, circa 1840
1/12 inch objective by Ross, in cannister, English, mid 19th century
Combination objective, in cannister, by James Smith, English, circa 1840
1871-1920
Oil immersion objective by Leitz, late 19th or early 20th century, German, in cannister
Viewer, with lens set in body tube having inner glass tube and two plane discs holding ants eggs, with collar to hold discs and fix viewer in cannister, English, mid 19th century
Objective with lieberkuhn, in cannister, by James Smith, English, circa 1840
1860-1880
Parabolic, silvered, side reflector for superstage illumination, in brass cannister for larger reflector, 1860-1880, English
1840-1870
Achromatic objective with Ross thread, English, mid 19th century
1880-1900
Immersion objective in cannister, by Swift and Son, London, 1880 to 1900