Devices, namely measuring instruments comprising optical devices and their components, photographic apparatus and their parts and accessories of all kinds, scanning and enlarging photographic apparatus of all kinds and their parts and accessories, cinematographic apparatus and equipment, panoramic chambers [photographic equipment], photographic equipment and accessories, namely tripods, cloaking devices for magnifiers, focusing devices, retouching pistols, projection apparatus and equipment, simple and automatic cinematographs, stereo projectors, episcopes, epidiascopes, apparatus for recording and reproducing sound and their parts and accessories, observation instruments and equipment, telescopes and periscopes of all kinds, astronomical instruments and equipment, measuring and recording instruments, mechanical and optical speed measuring apparatus, range finders, photometers, colorimeters, polarization and spectral optical apparatus and equipment, interferometers, amperometers, roentgenospectrometers, refractometers and their parts and accessories, topographic surveying instruments, compasses, tachometers, stereotachographs [tachometers], stereoplanigraphs, triangulators [surveying apparatus] and measuring equipment, theodolites, leveling devices, kinotheodolites and their parts and accessories, evaluation instruments [scientific instrument], restitution apparatus [scientific instrument], stereocomparators and stereoscopes and their parts and accessories, signalling apparatus, lighting devices for taking pictures [photography], equipment for photographic purposes and their parts and accessories, apparatus for recording, transmission and reproduction of sound, measuring instruments for workshop, micrometers, pointer and optical instruments for measuring length, end gauges, gauges, hair rulers [measuring apparatus], workshop microscopes, profile projectors and their parts and accessories, control equipment, namely control devices for optical equipment, optical devic; es and optical machinery, precision mechanics and optics of all kinds and their components, optical instruments and devices for telegraphy and telephony and their parts and accessories, optical goods of all kinds, namely lenses, simple and complex, object-lenses, prisms, mirrors, reflectors, filters, condensers, parts of optical instruments in the nature of deliberate plates, parallel plates, physical and laboratory instruments, namely trichinoscopes, microscopes, analytical balances; housings of optical amplifiers.