The annexed figures represent, on a scale of 1 to 50, a plan and vertical section of a reservoir of beton, 11 cubic meters in capacity, designed for the storage of drinking water and for collecting the overflow of a canal. The volume of beton employed in its construction was 0.9 cubic meter per cubic meter of water to be stored. The inner walls were covered with a layer of cement to insure of tightness.

A CEMENT RESERVOIR.
A CEMENT RESERVOIR.

T is the inlet pipe, with a diameter of 0.08 m.

T' is the distributing pipe, and T" is the waste pipe. - Annales des Travaux Publics.