Electrical Apparatus-Namely, Constant Temperature Water Baths, Refrigerated Recirculators and Immersion Coolers

LIQUID TEMPERATURE CONTROL SYSTEMS COMPOSED OF LOW AND HIGH TEMPERATURE CONSTANT TEMPERATURE BATHS AND CIRCULATORS, REFRIGERATED RECIRCULATING HEAT EXCHANGERS AND ACCESSORIES SUCH AS TEMPERATURE PROGRAMMERS AND REFRIGERATION DEVICES FOR COOLING BATHS; SAID GOODS BEING USED AS SELFCONTAINED UNITS OR EXTERNAL CIRCULATORS FOR SUCH PHYSICAL AND CHEMICAL PROCEDURES AS TEMPERATURE CALIBRATION, VISCOSITY MEASUREMENTS AND REACTION RATE STUDIES; SAID GOODS ALSO BEING USED TO PROVIDE A CONSTANT TEMPERA...