Compound monocular microscope with screwbarrel type focusing
1731-1770
Culpeper microscope with Culpeper's trade card in box
1731-1750
Culpeper microscope with body tube support lined by some Dutch paper
1731-1770
Culpeper microscope with red shagreen body tube support
1731-1770
Culpeper microscope with pasteboard body tube and black shagreen support
1730-1750