Screwbarrel microscope with ivory handle

1720-1760

Screwbarrel microscope in fishskin case

1730-1770

Screwbarrel microscope in fishskin case

1751-1800

English screwbarrel microscope in fishskin case

1730-1770

Compass and screwbarrel microscopes in fishskin case

1740-1770

Solar microscope with wooden screen and leather-covered body tube

1801-1830

Box for solar microscope

1775-1800

Screwbarrel microscope in case

1750-1800

English screwbarrel microscope in fishskin covered case

1701-1750

Screwbarrel microscope in fishskin case

1770-1800

Screwbarrel microscope

1740-1770

Cabinet of optical instruments

1756-1775

Screwbarrel microscope in shagreen case

1720-1738

Screwbarrel microscope in fishskin case

1700-1730

Screwbarrel microscope in fishskin case

1751-1800

Screwbarrel microscope in fishskin case

1731-1770

Screwbarrel microscope in fishskin case

1730-1770

Screwbarrel microscope, Dutch style, 1750-1800

1751-1800

Screwbarrel microscope in case

1740-1770

Screwbarrel microscope in fish skin case

1731-1770

Screwbarrel microscope in brown leather case

1771-1800

Screwbarrel microscope in fish skin case

1771-1800

Screwbarrel microscope in fishskin case

1750-1800

Solar microscope with screwbarrel

1750-1775

Optical part of solar microscope (screen and mirror missing)

1750-1775

Screwbarrel microscope with ivory handle

1730-1770

Screwbarrel microscope in red leather covered case

1790-1810

Screwbarrel microscope in case

1750-1800

Screwbarrel and aquatic microscope in fishskin case

1761-1780