 | United States. Congress. House - 1072 pągines
...expjrirnents, that a velocity of water equal to three inches per second is sufficient to remove fiae clay; six inches per second, fine sand; twelve inches...per second, fine gravel ; and three feet per second, small stories. Much difference of opinion exists, among philosophers, in regard to the ratio between... | |
 | 1833 - 270 pągines
...the sides and bottom gives way. If the water flows at the rate of three inches per second, it will tear up fine clay ; six inches per second, fine sand...per second, fine gravel; and three feet per second, stones of the size of an egg. L YELL'S Geology. THE merchants of Antwerp were at one time the most... | |
 | John Lee Comstock - 1836 - 396 pągines
...in the Encyclopedia Britannica, a velocity of water equal to three inches per second is sufficient to tear up fine clay, — six inches per second, fine...per second fine gravel ; and three feet per second, small stones. It is obvious, however, that the depth of the water will influence these results, and... | |
 | Saturday magazine - 1840 - 1078 pągines
...the sides and bottom gives way. If the water flows at the rate of three inches per second, it will tear up fine clay; six inches per second, fine sand;...per second, fine gravel; and three feet per second, stones of the size of an egg. — LYEIJ/S Geology. 1 vitality when cast upon so chilling a surface,... | |
 | John Lee Comstock - 1841 - 398 pągines
...in the Encyclopedia Britannica, a velocity of water equal to three inches per second is sufficient to tear up fine clay, — six inches per second fine...per second fine gravel ; and three feet per second small stones. It is obvious, however, that the depth of the water will influence these results, and... | |
 | 1841 - 444 pągines
...bottom gives way. A velocity of three inches per second at the bottom is ascertained to be sufficient to tear up fine clay, — six inches per second, fine...second, fine gravel, — and three feet per second, stones of the size of an egg. When this mechanical power of running water is considered, we are prepared... | |
 | John Lee Comstock - 1847 - 434 pągines
...in the Encyclopedia Britannica, a velocity of water equal to three inches per second is sufficient to tear up fine clay: six inches per second, fine...per second, fine gravel ; and three feet per second, small stones. It is obvious, however, that the depth of the water will influence these results, and... | |
 | Thomas Milner - 1848 - 892 pągines
...and the Red River. Mr. Lyell states that water flowing at the rate of three inches per second will tear up fine clay ; six inches per second, fine sand...per second, fine gravel; and three feet per second, stones of the size of an egg. He remarks, likewise, that the rapidity at the bottom of a stream is... | |
 | 1852 - 702 pągines
...and the Red River. Mr. Lyell states that water flowing at the rate of three inches per second will tear up fine clay; six inches per second, fine sand;...per second, fine gravel ; and three feet per second, stones of the size of an egg. He remarks, likewise, that the rapidity at the bottom of a stream is... | |
 | 1853 - 1034 pągines
...with a velocity of three inches per second, its force, when free from suspended matter, is sufficient to tear up fine clay ; six inches per second, fine...tear up beds of loose stones of the size of an egg. Instances have been recorded in most countries of masses of stone, weighing from a hundred to a thousand... | |
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Lyell states that water flowing at the rate of three inches per second will tear up fine clay ; six inches per second, fine sand ; twelve inches per second, fine gravel; and three feet per second, stones of the size of an egg. 
