A working model to demonstrate the principles involved in the action of a force-pump.
Cylinder is 25 x 350 mm dia x overall height. It is provided with a non-return float valve at its lower end. Lower
part of
the cylinder has an outlet side tube communicating with the lower end of another cylinder also equipped with
non-return
valve. Outlet tube from the secondary cylinder is drawn out into a jet to demonstrate ability of force
pump to eject water at
high pressure. Unmounted.
