Flea microscope, English, 19th century
1701-1800
Flea microscope, English, 18th century
1701-1800
Flea microscope, English, 18th century
1701-1800
Flea microscope, Islamic, 19th century
1801-1900
English flea microscope
1771-1800
English flea microscope, 18th century
1701-1800
White ivory flea microscope, English, 18th century
1701-1800
English flea microscope in brass casing
1801-1830
Flea microscope in brass case, English, 1750-1850
1750-1850