Dental Laboratory Equipment-Namely, Compressors, Ring Ejectors, Scales, Parallel Drilling Jigs, Model Saws, Milling Machines, Model Tables, Vibrators, Model Trimmers, Polishers, Dust Extractors for Use in Connection with Trimming, Polishing, Milling and Sawing of Dental Models, Ultrasonic Cleaners and Electroplaters

DENTAL LABORATORY EQUIPMENT-NAMELY, [ A COMBINATION CALIBRATED GLASS VIAL AND PLASTIC BOTTLE, ] VACUUM-AND PRESSURE CASTING MACHINES AND VACUUM PUMPS THEREFOR FOR DENTAL CASTINGS