Unknow - Set of antique stereoscopic view cards ('The Perfec Stereograph', H. C. White Co..) #19th century #antique cards #h. c. white #stereoscope #stereoscopic photography #three-dimensional images #vintage photography #visual entertainment
Microscope - H. Morin Paris – Stéréoscope de poche ancien à prismes – Instrument optique de précision - - 1890-1920 - France #3d viewing #h morin paris #historical optical device #optical instrument #pocket stereoscope #prism optics #scientific instrument #stereoscope #vintage french tools
