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ID number:  WB-HC0175
Institution:  Winterbourne House and Garden
Named collection:  Winterbourne House Collection
Artist / Maker:  Underwood & Underwood, New York
Title / Object name:  Optical slide holder
Object type:  Optical slide holder
Place made:  North America; North America: USA; New York
Date made:  1901-1910
Materials:  Aluminium; Glass; Wood; Felt
Measurements:  overall: 20 cm x 32 cm x 18 cm (H x W x D x Dia x Wt)

Optical slide holder or stereoviewer for stereoscopic slides. The viewer has two lenses at a set distance and at an angle in an aluminum frame. The frame is marked 'Sun Sculpture U&U trade mark'. Its frame is bordered with golden brown felt. The pictures which are placed in a wooden holder, can be moved horizontally in order to focus them. The stereoscope can be held with a folding handle. This is a Holmes type stereoscope, named after its inventor, Oliver Wendell Holmes (1860). Stamped on underside: MAN'F'D BY UNDERWOOD & UNDERWOOD NEW YORK PATENTED JUNE 11, 1901. FOREIGN PATENTS APPLIED FOR. Underwood & Underwood were founded in 1881.

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