Elements of Hydraulic Systems

Abstract

SOME of the general principles of the mechanics of fluids—such for example as the laws of liquid equilibrium—have been known since very early times. Because of this the ancient Egyptians were able to produce advanced systems of irrigation and the Romans, much later, their urban water supplies. The crude water wheel, its motive power a bullock or a donkey, replaced man‐power and supplied water to the irrigation ditch while the bucket‐type pump, arranged in stages for short lifts, made deep mining possible. It is somewhat surprising to find that, as early as the seventeenth century, working hydraulic systems were in existence where, cither by a system of balanced buckets or other devices, the prototype of the modern selector valve enabled a continuous supply of water to be maintained.

Citation

ELLIS, E.G. (1960), "Elements of Hydraulic Systems", Industrial Lubrication and Tribology, Vol. 12 No. 5, pp. 18-26. https://doi.org/10.1108/eb052622