Details
Three-colour viewer
An Ives-pattern Kromskop-type viewer (incomplete), mahogany-body, internal mirrors, red, yellow and blue filters, the back stamped Made in Germany - 16½ inches (42cm.) high; a quantity of single negative and postive three-part monochrome glass plates, three-part stereoscopic negative and positive glass plates; a stereoscope and various scientific apparatus(a lot)
An Ives-pattern Kromskop-type viewer (incomplete), mahogany-body, internal mirrors, red, yellow and blue filters, the back stamped Made in Germany - 16½ inches (42cm.) high; a quantity of single negative and postive three-part monochrome glass plates, three-part stereoscopic negative and positive glass plates; a stereoscope and various scientific apparatus(a lot)