Water meter, Dethridge wheel, steel, used by Murrumbidgee Irrigation Pty Ltd, Australia, 1990.
The wheel consists of a drum around an axle with 4 spokes originating from each end of the axle. Eight v-shaped vanes are fixed to the outside of the drum. Some of them are bent on the edges, as a result of use. Shaft on which wheel turns is broken at one end.