Hand-held stereoscopes are among the most important and widespread forms of antique stereoscopic viewers. From the first stereo viewers for daguerreotypes of the 1850s to compact folding viewers for celluloid stereo slides in the 1940s, they provided generations of users with a window into the three-dimensional world. They range from inexpensive paper viewers to finely crafted luxury instruments. This section features antique hand-held stereoscopes from many makers and periods.
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