Measurement apparatus and equipment specifically those for scientific, nautical, thopographic, meteorologic, industrial and laboratory purposes, namely thermometers, not for medical purposes, barometers, ammeters, voltmeters, hygrometers, semiconductor testing apparatus not for medical purposes, telescopes, periscopes, directional compasses, speed indicators, laboratory apparatus, namely centrifuges, homogenizers, microscopes, magnifying glasses, stills for scientific purposes, ovens and furn...