Stereoscope fragment

Object Number: 
Z.1828
Date: 
1870-1900
Medium: 
Metal, glass, paint
Dimensions: 
closed: 2 1/4 x 5 5/8 x 1/2 in. ( 5.7 x 14.3 x 1.3 cm ) open: 2 1/4 x 5 5/8 x 3 1/2 in. ( 5.7 x 14.3 x 8.9 cm )
Marks: 
stamped: on bridge between lenses: "Pat Pend"
Description: 
Black painted sheet metal frame with two circular, colorless glass lenses; hinged arm joined to lateral extension of frame on proper left side.
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group