Aquatic microscope with the box as base

1820-1850

Aquatic microscope in fishskin case

1750-1800

Aquatic microscope using the box as the base

1820-1850

Aquatic microscope signed "Dunn

1834-1867

Aquatic microscope, 1750-1800

1751-1800

Aquatic and rackbarrel microscope in fishskin case

1800-1830

Aquatic microscope by Cary

1841-1860

Aquatic microscope with box as base

1831-1870

Aquatic microscope with accessories

1790-1820

Aquatic microscope with box as base

1770-1790

Screwbarrel and aquatic microscope in fishskin case

1761-1780