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March 27, 2013


Filed under: Item of the Day — Lizzie Ehrenhalt @ 9:30 am


Wood and brass viewfinder, or stereoscope, patented in 1866 and manufactured during the 1880s. Stereoscopes combine the twin images of stereoptical slides within one plane of vision, producing a three-dimensional effect. The viewfinder was grasped at the bottom and a slide inserted into the slot at one end, as shown in the picture below.

Example of a stereoscopic slide:

For details, view the stereoscope in our online collections database.

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