 | 1833 - 604 Seiten
...foot distant from each other, and strung as it were upon a continuous flexible axis, having a movcable joint between each pair. As the float-boards of the chain successively enter the lower part of the hox or trough (immersed in water), a portion of water is constantly forced up by each, and discharged... | |
 | 1834 - 604 Seiten
...apparatus is simple, consisting of a common water-wheel, a cir-. cular wooden chain about forty feet circumference, and a long square box or trough, through...application. There were three distinct planes, or terraces, rising above each other. On the middle one was the wheel ; the lower one was the pit of the... | |
 | Thomas John Newbold - 1839 - 536 Seiten
...gives the following description of it. " The apparatus is simple, consisting of a common water wheel, a circular wooden chain about forty feet in circumference,...its application. There were three distinct planes or terraces rising above each other. On the middle one was the wheel ; the lower was the pit of the mine... | |
 | Robert Montgomery Martin - 1850 - 248 Seiten
..."Britain in 1825, by a convention with the King of Holland and the Malay princes of Johore.J 3oat-boards of the chain successively enter the lower part of...each, and discharged at the top. At one of the mines the simple but efficient mode of its application is thus described : — There are three distinct planes,... | |
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The apparatus is simple, consisting of a common water wheel, a circular wooden chain about forty feet in circumference, and a long square box, or trough, through which it runs in ascending. The wheel and chain, I think, revolve on a common axis, so that... 