Measurement apparatus and equipment for scientific, nautical, topographic, meteorologic, industrial and laboratory purposes, namely, thermometers, not for medical purposes, barometers, ammeters, voltmeters, and hygrometers; testing apparatus not for medical purposes for testing gas, liquids and solids; telescopes, periscopes, directional compasses, and speed indicators; laboratory apparatus, namely, microscopes, magnifying glasses, and stills for laboratory experiments; binoculars, ovens and ...