A hand-held Brewster-pattern, burr-walnut Sands patent stereoscope with a pair of brass bound lenses, top flap and brass handle marked C. Sands Patent; a small quantity of sterocards.

細節
A hand-held Brewster-pattern, burr-walnut Sands patent stereoscope with a pair of brass bound lenses, top flap and brass handle marked C. Sands Patent; a small quantity of sterocards.
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