WEIGHING SCALES, BAROMETERS, PRESSURE GAUGES, TITRATION APPARATUSES, HYDROGEN-ION-DETERMINATION APPARATUS, LIGHT-MEASURING APPARATUS, SURFACE-TENSION APPARATUS, LABORATORY DISTILLATION AND EXTRACTION APPARATUS, AIRLIQUEFYING APPARATUS, THERMAL MEASURING AND RECORDING APPARATUS, LABORATORY RACKS, LABORATORY CLAMPS AND SUPPORTS, BURNER STANDS AND BURNERS, ELECTRIC METERS, ELECTRIC WATER BATHS FOR USE IN PHYSICAL CHEMISTRY LABORATORIES, ELECTRIC-LIGHT-PROJECTION APPARATUSES FOR SCIENTIFIC OPTICAL TESTS AND PICTURE PROJECTION, ELECTRIC FLASK HEATERS FOR LABORATORY USE, ELECTRIC TITRATION APPARATUS,GRADUATED FLUID MEASURES FOR SPECIFIC-GRAVITY WORK, AND CONTAINERS AND APPARATUS FOR DEMONSTRATING HYDROSTATIC PRESSURE

'airliquefi':26 'apparatus':7,12,16,20,25,27,32,58,74,86 'baromet':3 'bath':47 'burner':39,42 'chemistri':52 'clamp':36 'contain':84 'demonstr':88 'determin':11 'distil':22 'electr':43,45,55,66,72 'electric-light-project':54 'extract':24 'flask':67 'fluid':76 'gaug':5 'graduat':75 'graviti':81 'heater':68 'hydrogen':9 'hydrogen-ion-determin':8 'hydrostat':89 'ion':10 'laboratori':21,33,35,53,70 'light':14,56 'light-measur':13 'measur':15,29,77 'meter':44 'optic':61 'physic':51 'pictur':64 'pressur':4,90 'project':57,65 'rack':34 'record':31 'scale':2 'scientif':60 'specif':80 'specific-grav':79 'stand':40 'support':38 'surfac':18 'surface-tens':17 'tension':19 'test':62 'thermal':28 'titrat':6,73 'use':49,71 'water':46 'weigh':1 'work':82

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