Low-Friction Double-Tandem Plastic Pulley, 38 and 50mm Diameter Subcategory_Force and Motion 3 glass Griffin-form beaker shot

3 glass Griffin-form beaker shot glasses hold 3

and sterilization without corroding under common laboratory reagents

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

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

Low-Friction Double-Tandem Plastic Pulley, 38 and 50mm Diameter Subcategory_Force and Motion 3 glass Griffin-form beaker shotTandem double plastic pulley pairing 38mm and 50mm low friction wheels on an open sided steel frame, eliminating cord threading during setup in compound pulley experiments.