Palm Springs, CA

Atention collectors... It's available for sale and pick up in Palm Springs. Ask for shipping terms if interested. Stereoscope, an optical instrument used to view stereoscopic image pairs, creating a 3D effect. MINT CONDITIONS Including slides... This particular stereoscope is an antique, likely from the 1890s. It was made for the San Francisco-based American Biscuit Company. The stereoscope is made of tin and features a lithographed design. It is labeled "Portable Folding Stereoscope" and can be folded for storage. The text "Rotograce," "USA," and "Patent 7208-9" are printed on it. Stereoscopes present two separate images, one for each eye, which the brain combines to perceive depth. This type of stereoscope was a popular form of entertainment before the advent of movies. It likely came with stereo paper slides featuring various images. https://antiqueadvertising.com/free-antique-price-guide/toysbanksgamesdollspuzzles/kis-me-gum-stereo-viewer/ https://www.pinterest.com/imaginactory/stereoview/