MDF Wheel, 6mm thick fibre board, 54mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag
Manometer without Stopcock, to highlight the variation of pressure in a liquid with depth. It consists of a pressure capsule of 35 mm placed in a bent steel tube, measured by a pressure gauge mounted on a graduated support. Includes beaker
MDF Wheel, 6mm thick fibre board, 74mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag