Borst Advertising Stereoscope

very nice and complete set containing a collapsible stereoscope made of polished cast aluminium branded "Borst" and a series of 12 cards showing buildings designed by various German modern style architects dating from the 1930s, the original cardboard box covered with faux reptile skin, on a label at the inside the motto "Durch körperliches Sehen zur guten Architektur" on the inside and is signed by Professor Oswald Bieber. All in unused and perfect condition. A great find for lovers of modern architecture and stereo collectors alike.