 | Dennis Hart Mahan - 1846 - 378 lapas
...turning on a vertical axis, in which case they are termed paddle gates. The openings in the upper gates are made between the two lowest cross pieces. In the...the cut .are faced with masonry laid in hydraulic morlar. A sliding gate, fitted into two grooves made in the side walls, is manoeuvred by a rack and... | |
 | Dennis Hart Mahan - 1855 - 446 lapas
...character of their current, end the relative positions of the canal and stream. Small bi ooks which lift lower than the canal may be conveyed under it through...grooves made in the side walls, is manoeuvred by a rack end pinion, so as to regulate the quantity of water to be let in. The water of the feeder, or brook,... | |
 | Dennis Hart Mahan - 1871 - 468 lapas
...size, the character of their current, and the relative positions of the canal and stream. Small bi oaks which lie lower than the canal may be conveyed under...masonry laid in hydraulic mortar. A sliding gate, lilted into two grooves made in the side walls, is manoeuvred by a rack rnd pinion, so as to regulate... | |
 | Junius Brutus Wheeler - 1876 - 502 lapas
...the stream is limpid, and its current gentle, it may be received into the canal. Its communication with the canal should be so arranged that the water...off or let in at pleasure, in any quantity desired. In cases where the line of the canal is crossed by a torrent, which brings down a large quantity of... | |
 | Junius Brutus Wheeler - 1876 - 504 lapas
...the stream is limpid, and its current gentle, it may be received into the canal. Its communication with the canal should be so arranged that the water...off or let in at pleasure, in any quantity desired. In cases where the line of the canal is crossed by a torrent, which brings down a large quantity of... | |
 | Junius Brutus Wheeler - 1876 - 504 lapas
...the stream is limpid, and its current gentle, it may be received into the canal. Its communication with the canal should be so arranged that the water may be shut <iff or let in at pleasure, in any quantity desired. In cases where the line of the canal is crossed... | |
 | Dennis Hart Mahan - 1877 - 642 lapas
...to make the culvert in the shape of an inverted syphon, and it is therefore termed a brofeerirback culvert. If the water of the brook is generally limpid,...fitted into two grooves made in the side walls, is mano3iivred by a rack and pinion, so as to regulate the quantity of water to be let in. The water of... | |
 | Junius Brutus Wheeler - 1877 - 508 lapas
...the stream is limpid, and its current gentle, it may be received into the canal. Its communication with the canal should be so arranged that the water...off or let in at pleasure, in any quantity desired. In cases where the line of the canal is crossed by a torrent, which brings down a large quantity of... | |
 | Park Benjamin - 1878 - 994 lapas
...tongued as above described, boxed down half an inch, and treenailcd to the timbers on which they rest. If the water of the brook is generally limpid, and...fitted into two grooves made in the side walls, is manœuvrai by a rack and pinion, so as to regulate the quantity of water to be let in. When the line... | |
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... culvert. If the water of the brook is generally limpid, and its current gentle, it may, in the last case, be received into the canal. The communication of the brook, or feeder, with the canal, should be so arranged that the water may be shut off,... 