Compass microscope on stand, English, 18th century
1701-1800
Compass and screwbarrel microscopes in fishskin case
1740-1770
Compass microscope with four lens objective disc and ivory handle
1771-1800
Compass microscope with two lenses (handle missing)
1801-1900
simple compass microscope with accessories: five objective lenses
1775-1785
Compass microscope in case
1780-1820
Compass microscope, in case, Dutch, 1825-1850
1825-1850
Compass microscope in fishskin covered case
1771-1830
Two lens compass microscope, French, 1820-1850
1820-1850
Compass microscope in brown leather case
1750-1800
Compass microscope
1771-1800
English compass microscope
1776-1825
Compass microscope with ivory handle
1770-1800
Double objective compass microscope
1830-1870