 | 1823 - 386 páginas
...in its descent the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through, but as these are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
 | William Newton, Charles Frederick Partington - 1823 - 384 páginas
...in its descent the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through, but as these are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
 | William Newton - 1823 - 384 páginas
...in its descent the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through, but as these^are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
 | 1829 - 424 páginas
...its descent, the workmen continually walk round, by which the hole is made smooth and cylindri. cal- In the progress of the boring, frequent veins of water are passed through ; but as these are small streams, and perhaps impregnated with mineral substance*, the operation is carried... | |
 | Encyclopaedia Americana - 1833 - 548 páginas
...its descent, the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through ; but, as these are small streams, and perhaps impregnated will) mineral substances, the operation is carried... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 546 páginas
...its descent, the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through ; but, as these are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
 | Charles Frederick Partington - 1838 - 1116 páginas
...which coils and uncoils itself successively upon the drill, and is aided by a weight or fly. — Soring for water has been, of late, successfully employed...the hole is generally cased with a metallic pipe. See WATER. BOSSAGB, mArchilecturc ; a projecting stone which is intended to be sculptured. Also rustic... | |
 | Francis Lieber, Edward Wigglesworth - 1838 - 618 páginas
...uncoils itself successively upon the drill, and is aided by a weight or fly. — Boring for waler hag been, of late, successfully employed in obtaining...by a pump. To exclude mineral waters, land-springs, &c.T the hole is generally cased with a metallic pipe. BORNEO, next to New Holland, the largest island... | |
 | Jacob Bigelow - 1840 - 424 páginas
...its descent, the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through ; but, as these are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
 | Jacob Bigelow - 1840 - 418 páginas
...'its descent, the workmen continually walk round, by which the hole is made smooth and cylindrical. In the progress of the boring, frequent veins of water are passed through ; but, as these are small streams, and perhaps impregnated with mineral substances, the operation is carried... | |
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... the sides smooth previous to putting in the pipe. This chisel is attached to rods and to the handle, as before described, and in its descent the workmen continually walk round, by which the hole is made smooth and cylindrical. 
