Botanic microscope with oval base and three simple lenses
1800-1820
Screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in case
1750-1800
Unsigned Jones botanic microscope in case
English screwbarrel microscope in fishskin case
1730-1770
Withering botanic microscopes (after Mark I) in fish skin covered case with no lid
Case for mid 18th century compound monocular microscope
1750-1775
Microscope compendium with solar microscope
1751-1780
Compound monocular microscope
1750-1775
Screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in case
1740-1770
Screwbarrel microscope in fishskin case
1751-1800
Screwbarrel microscope in fishskin case
1731-1770
Screwbarrel microscope in fishskin case
1750-1800
Aquatic microscope with box as base
1770-1790
Compound monocular microscope by Benjamin Martin
1751-1780