Spoke Pulley, ideal for use with photogates sensors. 65 mm diameter with spokes. Pulley, mounted on free running ball bearings with minimum friction. Mounted on a removeable rod of 150 x 10mm diameter
Spouting Cylinder, Material: acrylic cylinder, Color: clear, Demonstrate Torricellis theorem to show the relationship between water pressure and depth, includes three vertically aligned spouting nozzles positioned 4-3/4 in apart, Dimension: 19-5/16 In height