Objects
set of stereoscope glass slides for the stereo campimeter
ORTHOPTIC INSTRUMENTS
lantern slide
Keystone View Company; Bausch & Lomb Optical Company
North America: USA
Mid 20th c.
glass; metal; wood; leather; velvet
case: 120 mm x 205 mm x 208 mm; each slide: 91 mm x 178 mm
2012.69
ORTHOPTIC INSTRUMENTS
lantern slide
Keystone View Company; Bausch & Lomb Optical Company
North America: USA
Mid 20th c.
glass; metal; wood; leather; velvet
case: 120 mm x 205 mm x 208 mm; each slide: 91 mm x 178 mm
Set of ten stereoplates, glass with aluminium frames. Includes two Keystone slides depicting Manhattan aerial view and a turkey farm, plus eight B&L slides of test letters and animals. Contained in black leather-covered wooden hinged and compartmentalised case with purple velvet lining and two white metal clasps.
2012.69
Gift of Mr Michael Blackstone, FCOptom, 2012