Here the busiest little engine in the world is brought to bear upon it, with all its faculties of suction and propulsion.

Through one pipe it forces fresh water in upon this mass of manure, which, when liquified, runs down into a subterranean cistern or reservoir capable of holding over 100,000 gallons.

From this it is propelled into any field to be irrigated.

To prevent any sediment in the great reservoir, or to make an even mixture of the liquified manure, a hose is attached to the engine, and the other end dropped into the mass.

Through this a constant volume of air is propelled with such force as to set the whole boiling and foaming like a little cataract.