Rare Antique CorteScope Folding Stereoscope Viewer with Box Manual & 21 Photo Card

Up for sale is a rare and highly collectible antique Corte-Scope Folding Stereoscope Viewer Set, manufactured by The Corte-Scope Co. This compact 3D photo viewer folds flat into its original storage case and offers a fascinating piece of early 20th-century optical history. Product Features & Highlights. Stereoscope Viewer: Original folding Corte-Scope optical viewer with dark metal hood and folding frame. Photo Cards: Includes 21 original double-image stereoview cards depicting detailed industrial, manufacturing, and trade scenes. The cards are in amazing, crisp condition with strong image contrast. Instruction Manual: Includes the original printed booklet titled “Instruction Book on How to Use Your Corte-Scope”, featuring the tagline “Seeing is worth a hundred descriptions”. Original Box: Comes with the original snaps/flap closure storage box. Viewer: Excellent mechanical and physical shape, folds properly, and lenses are intact. Storage Box: The outer box shows heavy age/wear and is falling apart around the seams/edges, but still securely holds the viewer, cards, and manual as intended. (1) Antique Corte-Scope Folding Viewer. (21) Vintage Stereoview Photo Cards. (1) Original “How to Use” Instruction Manual. (1) Original Snap Storage Box.