Optical cabinet or compendium in wooden mahogany case by Benjamin Martin
1765-1775
Simple scioptic ball
1740-1760
Scioptic ball, ostensibly by George Adams
Scioptic ball with fixed mirror, 1745-1755
1745-1755
Scioptic ball and mirror
Telescope in scioptic ball
Scioptic ball, ostensibly by George Adams
Telescope in scioptic ball
Telescope in Scioptic ball
Scioptic ball? in mount
Fixture for scioptic ball
1740-1760