Pulley, Triple Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Cartesian Diver Only - 4 cm WL 1040, Ideal for Showing Archimedes Principle, with a hollow glass diver, shaped like a diver, with a 10in x 1 1/2in glass cylinder, a rubber sheet and rubber band, Fill the cylinder with water, drop in the diver it floats