Ring and Ball Apparatus with Stand Glass Bottles_BOD Bottles Combining filtration and titration on

Combining filtration and titration on one base

Steam-sterilizable polypropylene pipette rack holds 12 pipettes horizontally for bench storage and autoclaving in molecular biology laboratories

Nine-piece flat brass weight set with dual hooks on each piece

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Ring and Ball Apparatus with Stand Glass Bottles_BOD Bottles Combining filtration and titration onStand mounted ring and ball thermal expansion apparatus, dropping freely through the ring when cool but stopped by the ring once flame heating expands the ball.