Botanic microscope with oval base and three simple lenses
1800-1820
Botanic microscopes in fishskin case
1790-1820
Unsigned Jones botanic Microscope in case
Screwbarrel microscope in fishskin case
1730-1770
Hand microscope, cased, Dutch, circa 1800
1780-1820
Screwbarrel microscope in fishskin case
1731-1770
Screwbarrel microscope in fishskin case
1750-1800
Unsigned Jones botanic microscope in case
Screwbarrel microscope in fishskin case
1730-1770
Screwbarrel microscope in case
1740-1770