Handheld wood Brewster stereoscope inlaid with mother of pearl. From France, c.1870s. With black lacquer eyepieces. The flap reveals interior mirror fastened in with brass. Frosted glass on the back.
Sir David Brewster (1781-1868) was a Scottish physicist who invented the kaleidoscope and this reflected light lens stereoscope. He also discovered the polarization phenomenon of reflected light.
In working condition. Stereoscope cards can be viewed with this item. Some superficial wear and dents on the exterior, but overall in good condition.
It measures 4 3/16 H x 7 1/2 W x 5 3/4" D and weighs 12 1/4 oz.