RED SEAL GLASSWARE THE MARK OF DISTINCTION

GLASSWARE FOR CHEMICAL, LABORATORY, AND SCIENTIFIC PURPOSES-NAMELY, GLASS TUBES, RODS, BULBS, BALLOONS, AND TUBULAR AND BULBOUS CONTAINERS AND UTENSILS INCLUDING SIPHONS, PIPETTES, CONDENSERS, ADAPTERS, CALCIUM-CHLORIDE TUBES, ARSENIC TUBES, ABSORPTION TUBES, THISTLE TUBES, FERMENTATION TUBES, CARBON FITTER TUBES, FUNNEL TUBES, GAS-COLLECTING TUBES, REDUCTION TUBES, EXTRACTION TUBES, CONNECTION TUBES, VAPOR-DENSITY TUBES, CAPILLARY TUBES, PRESSURE TUBES, BOYLE'S LAW TUBES, BALANCING COLUMN TUBES, RESONANCE TUBES, RESISTANCE TUBES, STOPCOCK TUBES, WATER OR STEAM TRAP TUBES, BAROMETER TUBES, THERMOMETER TUBES, GAGE TUBES, HYGROMETER TUBES, MANOMETER TUBES, AND TUBE ARMS; GLASS PARTS FOR LABORATORY APPARATUS FOR DETERMINING COMBUSTION OF GASES, FOR EXTRACTION APPARATUS, FOR SULPHUR APPARATUS, FOR VAPOR-DENSITY APPARATUS, FOR DEW-POINT APPARATUS, FOR WATER ELECTROLYSIS APPARATUS, AND GLASS BOTTLES