Measurement apparatus and equipment including those for scientific, nautical, topographic, meteorologic, industrial and laboratory purposes, namely, thermometers, not for medical purposes, barometers, ammeters, voltmeters, hygrometers, computer controlled testing apparatus for radio frequency signals not for medical purposes, telescopes, periscopes, directional compasses, speed indicators, laboratory apparatus being centrifuges, microscopes, magnifying glasses, stills, ovens and furnaces for ...