26 SCIENTIFIC AND PHYSICAL TESTING EQUIPMENT FOR LABORATORY USE-NAMELY, MULTI-PURPOSE REFLECTOMETERS, GONIO PHOTOMETERS, BUBBLE VISCOMETERS, SAND ABRASERS, WATER BATHS, FILM APPLICATORS, HARDNESS ROCKERS, IMPACT TESTERS, ABRASION TESTING MACHINES, DRYING TIME RECORDERS, FILM THICKNESS GAGES, COLOR DIFFERENCE METERS, GLOSS RECORDERS, CLARITY METERS, HAZE METERS, AND PHOTOMETRIC UNITS