 | 1839 - عدد الصفحات: 508
...advantage. A steam-engine of ten-horse power has been found to be sufficient to drain a district comprising 1,000 acres of land, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water Is thrown off by the engine ; if the weather is dry, the... | |
 | 1839 - عدد الصفحات: 882
...advantage. A steam-engine of ten-horse power has been found sufficient to drain a district comprising 1000 acres of land, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water is thrown off by the engine ; if the weather is dry, the... | |
 | 1839 - عدد الصفحات: 512
...ten-hors? power has been found to be sufficient to drain a district comprising 1,000 acres of bnd, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water is thrown off by the engine ; if the weather is dry, tlie... | |
 | 1840 - عدد الصفحات: 316
...and Bedfordshire, a steamengine of 10-horse power has been found sufficient to drain a district of 1,000 acres of land, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water is thrown off by the engine ; if the weather be dry, the... | |
 | William Newton, Charles Frederick Partington - 1840 - عدد الصفحات: 546
...advantage. A steam-engine oftenhorse power has been found sufficient to drain a district comprising 1000 acres of land, and the water can always be kept down to any given distance below the plants. If rain falls in excess, the water is thrown off by the engine ; if the weather is dry, the... | |
 | William Newton - 1840 - عدد الصفحات: 540
...advantage. A steam-engine oftenhorse power has been found sufficient to drain a district comprising 1000 acres of land, and the water can always be kept down to any given distance below the plants. If rain falls in excess, the water is thrown off by" the engine; if the weather is dry, the... | |
 | 1840 - عدد الصفحات: 542
...advantage. A steam-engine oftenhorse power has been found sufficient to drain a district comprising 1000 acres of land, and the water can always be kept down to any given distance below the plants. If rain falls in excess, the water is thrown off by the engine ; if the weather is dry, the... | |
 | Edmund Ruffin - 1840 - عدد الصفحات: 790
...steam engine of ten horse power has been Ibund to be sufficient to drain a district comprising 1000 acres of land, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water is thrown of by the engine ; if the weather is dry, the sluices... | |
 | 1842 - عدد الصفحات: 496
...advantage. A steam engine of 10-horse power has been found sufficient to drain a district comprising 1,000 acres of land, and the water can always be kept down to any given distance below the plants. If rain fall in excess, the water is thrown off by the engine ; if the veather is dry, the... | |
 | James Dunwoody Brownson De Bow - 1847 - عدد الصفحات: 640
...districts of fen-land, near March, in Cambridgeshire, where the engine's power bears about the'proportion of 10 horses power to 1,000 acres of land, and the...plants. If the rain fall in excess, the water is thrown offby the engine; and if dry weather prevail they can open the sluices without risk, and let the water... | |
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If rain falls in excess, the water is thrown off by the engine ; if the weather is dry, the sluices can be opened, and the water let in from the river. The engines are required to work four months out of... 