Screwbarrel microscope in fishskin case

1730-1770

Unsigned Jones botanic microscope in case

Botanic microscope with oval base and three simple lenses

1800-1820

Screwbarrel microscope in case

1750-1800

English screwbarrel microscope in fishskin case

1730-1770

Screwbarrel microscope in fishskin case

1751-1800

Screwbarrel microscope in fishskin case

1731-1770

Screwbarrel microscope in fishskin case

1730-1770

Screwbarrel microscope in case

1740-1770

Case for mid 18th century compound monocular microscope

1750-1775

Screwbarrel microscope in fishskin case

1750-1800

Withering botanic microscopes (after Mark I) in fish skin covered case with no lid

Microscope compendium with solar microscope

1751-1780

Compound monocular microscope

1750-1775

Aquatic microscope with box as base

1770-1790

Compound monocular microscope by Benjamin Martin

1751-1780