 | Isthmian Canal Commission (U.S.) - 1913 - 66 pages
...water-tight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sealevel, and it is probable that this level will be maintained continously during wet seasons.... | |
 | Panama Canal (Panama) - 1913 - 68 pages
...water-tight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sealevel, and it is probable that this level will be maintained continously during wet seasons.... | |
 | Joseph Bucklin Bishop - 1913 - 584 pages
...watertight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea-level, and it is probable that this level will be maintained continuously during wet... | |
 | Farnham Bishop - 1913 - 298 pages
...watertight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea level, and it is probable that this level will be maintained continuously during wet... | |
 | Logan Marshall - 1913 - 372 pages
...water-tight. Machines for moving the gates are designed to raise or lower \ them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea level, and it is probable that this level will be maintained continuously during wet... | |
 | Farnham Bishop - 1913 - 298 pages
...watertight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea level, and it is probable that this level will be maintained continuously during wet... | |
 | Walter Leon Pepperman - 1915 - 486 pages
...water-tight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea level, and it is probable that this level will be maintained continuously during wet... | |
 | 1910 - 630 pages
...move on castings set in grooves in the piers. These gates are illustrated in drawing No. 7400 (Pl. 77), accompanying the report of the masonry subdivision...is, nevertheless, possible that sudden floods in the Chagres coming at a time when the lake is at its high level may produce levels somewhat higher by backing... | |
 | 1910 - 622 pages
...77), accompanying the report of the masonry subdivision of this office. The sill of the gates, which forms the crest o'f the fixed part of the dam, is...is, nevertheless, possible that sudden floods in the Chagres coming at a time when the lake is at its high level may produce levels somewhat higher by backing... | |
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They will be equipped with sealing devices to make them watertight. Machines for moving the gates are designed to raise or lower them in approximately ten minutes. The highest level to which it is intended to allow the lake to rise is 87 feet above sea... 