Stereoscopic (binocular) periscope, 10 x 50, marked 'MG No 78 BBT Krauss France' with a full set of accessories, in a fitted wooden case, plus wooden tripod in a canvas and metal case, 1939-45. (1939 is engraved on rotatable mount, later date is estimated) Stereoscopic (binocular) periscope, 10 x 50, marked 'MG No 78 BBT Krauss France' 1939-1945