202 % Stereoscopes very strongly and elegantly finished with best quality optic lenses. 357 American Form Stereoscopes Stained Alder wood with 2 oculars with lenses of \lja in. diameter, sliding picture hold* and folding wood handle each Mk. 1.35 3.17 … How American Form Stereoscopes IV* with lateral moving prisms "^8 with 2 prisma 1 V»Xl Vs in., sliding picture holder and folding wooden handle 363,1 Real stained walnut wood, with polished hood, each Mk. 3.40 » /2 Real stained walnut wood, with polished hood and plush border . q *(i with sliding…
Magic Lantern · Trade catalogs · Optical toys
Internet Archive · Spielzeugmuseum Nürnberg · Public Domain Mark 1.0. Free to use for anything.
![An illustration from One thousand processes in manufactures and experiments in chemistry / [Colin Mackenzie]. (1825)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b29307867-352-1.webp)
