Platinum Electrodes in Rubber Stopper for Hoffman Voltameter Material_Copper mounted on a swivel boss

mounted on a swivel boss head fitting 18mm rods for secure angular placement on retort stands

Designed to generate and detect ultrasonic waves above the audible range

Life-size liver model with attached gall bladder shows hepatic lobes

opening up to 3 inches for gripping flasks and cylindrical apparatus without scratching glassware

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

Platinum Electrodes in Rubber Stopper for Hoffman Voltameter Material_Copper mounted on a swivel bossReplacement platinum electrodes pre mounted in rubber stoppers for the CH0740A Hoffman Electrolysis Apparatus, used for acidified water electrolysis setups.