 | 1795 - 508 pages
...fquare, equal to the furface of the lock. The bottom of the aperture of the loweft ciftern muft be placed one foot above the level of the water in the lower part of the canal, or eleven feet under the level of the high water; the fecond ciftern muft be two feet above the level... | |
 | Encyclopaedia Britannica - 1810 - 820 pages
...fquare, equal to the furface of the lock. The bottom of the aperture of the loweft ciftern muft be placed one foot above the level of the water in the lower part of the canal, or eleven feet under the level of the high water ; the fécond ciftern muft be two feet above the level... | |
 | Thomas Martin (civil engineer.) - 1813 - 712 pages
...be expected to pass) that there will not be above 80O cubic feet for each ; and hence, it is added, it will be necessary to save five-sixths of the whole...lowest cistern must be one foot above the level of die water in the lower part of the canal, and eleven feet under the level of the high water; the second... | |
 | 1823 - 848 pages
...square, equal to the surface of the lock. The bottom of the aperture of the lowest cistern must be placed one foot above the level of the water in the lower part of the canal, or eleven feet under the level of the high water; the second cistern must be two feet above the level... | |
 | Thomas Curtis - 1829 - 834 pages
...be expected to pass), that there will not be above 800 cubic feet for each ; and hence, it is added, it will be necessary to save five-sixths of the whole...feet under the level of the high water ; the second cistern two feet above the level of low water, and the third three feet, and so on. It has been deemed... | |
 | William Thomas Brande, George William Cox - 1865 - 978 pages
...the chamber arc opened, and those at the upper end are closed, the water in the chamber wül stand at the level of the water in the lower part of the canal ; and, on the contrary, when the lower gat es are closed and the upper gates are opened, the level of the... | |
 | William Thomas Brande - 1867 - 974 pages
...the chamber are opened, and those at the upper end are closed, the water in the chamber will stand at the level of the water in the lower part of the canal ; and, on the contrary, when the lower gates are closed mid the upper gates are opened, the level of the water... | |
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... boat is 4320 cubic feet, and in ascertaining what water may be necessary for supplying the canal, allowing for waste by evaporation and soakage, it is found (according to the number of boats that may be expected to pass), that there will not be above... 