Dissecting microscope by R. & J. Beck
1866-1870
Screwbarrel microscope
1740-1770
Screwbarrel microscope in fish skin case
1771-1800
Screwbarrel microscope, Dutch style, 1750-1800
1751-1800
Screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in fish skin case
1731-1770
Screwbarrel microscope in brown leather case
1771-1800
Ivory screwbarrel microscope in black fishskin case
1701-1730
Screwbarrel microscope in red leather covered case
1790-1810
Compound monocular microscope
1750-1800
Screwbarrel microscope in shagreen case
1720-1738
Screwbarrel microscope with ivory handle
1720-1760
Screwbarrel microscope in case
1740-1770
Screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in case
1750-1800
Screwbarrel microscope in case
1750-1800
English screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in fishskin case
1750-1800
Compass and screwbarrel microscopes in fishskin case
1740-1770
English screwbarrel microscope in fishskin covered case
1701-1750
Screwbarrel microscope in fishskin case
1751-1800
Screwbarrel microscope in fishskin case
1731-1770
Screwbarrel microscope in fishskin case
1700-1730
Aquatic and rackbarrel microscope in fishskin case
1800-1830
Screwbarrel microscope in fishskin case
1770-1800
Screwbarrel microscope in case
1750-1800
Screwbarrel and aquatic microscope in fishskin case
1761-1780