Gate Spalen Basel Switzerland Stereoview c1900 Spalentor Swiss Gateway A2369 for Sale

Gate Spalen Basel Switzerland Stereoview c1900 Spalentor Swiss Gateway A2369 For Sale

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Gate Spalen Basel Switzerland Stereoview c1900 Spalentor Swiss Gateway A2369:
$29.95

"Ancient Gateway, Bale, Switzerland." (10720)

Published by Keystone View Company, formerly one of the largest stereoview publishers in the world.

This is a stereoview (also known as a stereograph or stereoscope card). It was one of the first forms of 3D photography. The images were captured with a special stereoscopic camera, which had two lenses - simulating the view of our left and right eyes. The two, nearly identical pictures were then mounted next to each other (most commonly on a piece of cardstock, glued on as photographs or printed as lithographs). The image could then be seen in three dimensions when viewed through a device known as a stereoscope, stereopticon, televiewer and/or realisticscope.

Standard-size stereograph, measuring about 3.5 x 7 inches.