5-Piece Low-Friction Double-Tandem Plastic Pulley Set, 38 and 50mm Plastic Labware_Plastic Measuring Cylinders measuring period under different loads

measuring period under different loads to isolate mass from weight

Complete set of sixteen tooth-type models at 2x life size supports full-dentition dental anatomy teaching

and grease splashes across the torso in a 27 by 30 inch rubberized vinyl apron

Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel

5-Piece Low-Friction Double-Tandem Plastic Pulley Set, 38 and 50mm Plastic Labware_Plastic Measuring Cylinders measuring period under different loadsFive pulley set of tandem 38mm 50mm low friction plastic pulleys on open sided frames, equipping a class for dual diameter compound pulley experiments without cord threading setup.