| Science - 1851 - 510 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of **mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean** water line, at which time the diurnal curve has reached its maximum; the semi-diurnal curve attains... | |
| American Association for the Advancement of Science - Science - 1851 - 472 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of **mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean** water line, at which time the diurnal curve has reached its maximum ; the semi-diurnal curve attains... | |
| American Association for the Advancement of Science - Science - 1851 - 478 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of **mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean** water line, at which time the diurnal curve has reached its maximum ; the semi-diurnal curve attains... | |
| U.S. Coast and Geodetic Survey - 1852 - 914 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of **mean water at three hours, the diurnal curve rising...maximum; the semi-diurnal curve attains its greatest** lise at twelve hours, and the mean level at fifteen ; the diurnal curve also descending to the same... | |
| United States. Congress. House - United States - 606 pages
...rising and the semiliurnal falling; at six hours, the semi-diurnal curve has reached its naxirnum, **and rises again at nine hours to its intersection...which time the diurnal curve has reached its maximum;** he semi-diurnal curve attains its greatest rise at twelve hours, and the nean level at fifteen ; the... | |
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