Measurement apparatus and equipment including those for scientific, nautical, thopographic, meteorologic, industrial and laboratory purposes namely, thermometers, not for medical purposes, barometers, ammeters, voltmeters, hygrometers, telescopes, periscopes, directional compasses, speed indicators, microscopes, magnifying glasses, stills for scientific purposes, ovens and furnaces for laboratory experiments; apparatus for recording, transmission or reproduction of sound or images, cameras, p...