Holmes stereoscopic viewer with nineteenth century maps.

Old holmes stereoscope complete in wood. Equipped with its card holder. Nineteenth century handheld viewer. For photographic views in stereoscopy. Beautiful and good working order. Equipped with 2 glass magnifying glasses, prismatic lenses inserted into a visor, in good condition, without scratches. A turned wooden handle / handle (foldable) to hold the device with one hand. A wood support with slides to hold the card in place. Total length: about 31 cm. Sold with 20 interesting and animated cards.