US$ 99.99
this polypropylene graduated cylinder set is Class B-tolerant
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
5 inch dimensions in brass
a compound unit for demonstrating multi-rope mechanical advantage in physics activities
2-Stroke Gasoline Hand-Crank Engine Model, 14" Base_Octagonal this polypropylene graduated cylinder setTurning the hand crank walks students through every stage of the 2 stroke gasoline firing cycle on a 14 inch model, an ignition light firing on compression for visual timing.