STEREOSCOPIC SLIDING BOX CAMERA
J. H. DALLMEYER, LONDON; HALF-PLATE, POLISHED MAHOGANY BODY, RACK AND PINION FOCUSING, HINGED FOCUSING SCREEN, INTERNAL SEPTUM, INSET PLATE J. H. DALLMEYER OPTICIAN, LONDON and a pair of J. H. Dallmeyer brass bound lenses no.s 32803 and 32804 and half-plate stereoscopic glass positive