rence.of head and. the friction produced by the incessant changes of direction. bearing surface without depending upon the expansion of The greatest slope allowable for dams of any height is directing plates, G, causes it to bank up on the sides and feed back to the middle of the way. The’ sinking… … For our small streams, to McDONALD’S FiSH WAY, saw and hammer, at a low cost, or it-may be expanded go as surface. The damping roller revolves in a trough contain- ing the water, and a doctor, of India rubber or other suita.: to throw the entire volume of a river through it. ‘being about three…
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