Measurement apparatus and equipment including those for scientific, nautical, topographic, meteorologic, industrial and laboratory purposes, namely, thermometers other than for medical purposes, barometers, ammeters, voltmeters, hygrometers, semiconductor testing apparatus not for medical purposes, telescopes, periscopes, directional compasses, speed indicators, laboratory apparatus in the nature of homogenizers, syringeless filters, microscopes, magnifying glasses, stills for laboratory expe...