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Scioptic ball, ostensibly by George Adams

Optical cabinet or compendium in wooden mahogany case by Benjamin Martin

1765-1775

Telescope in scioptic ball

Scioptic ball and mirror

Telescope in Scioptic ball

Scioptic ball with fixed mirror, 1745-1755

1745-1755

Telescope in scioptic ball

Scioptic ball, ostensibly by George Adams

Simple scioptic ball

1740-1760

Scioptic ball? in mount

Scioptic ball probably made by Adams, George, 1750-1795

Scioptic ball probably made by Adams

Scioptic Ball, aperture 1 5/16-inch; ball of lignum vitae, circular mounting ring of mahogany

Scioptic Ball