Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 269
255 DRUM WEIRS ON THE MAENE RIVER, DESFONTAINE'S DRUM-BARRAGE. o o o o a a a n □ □ a n. □ □ n n a a 0 o o o Fig. 1. — Plan of the liausse and its drum. Fig. 2. — Elevation of the same. Fig. 3. — Transverse Section of the Waste Weir. … Explanation. — a is the axle ; aefg the drum ; ab a hausse, or gate ; a c d a counter-hausse ; bacd is the gate raised ; b' a' c' d' is the' gate lowered ; k and I are transverse canals ex- tending the whole width of the dam ; k communicates with the lower and I with the upper bay, or vice versa…
Engineering
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