 | Cyclopaedia - 1852 - 262 páginas
...of Imir-ropes, for whieh a band of flannel, or felt, is now substituted, passing over two rollers, one at the top, and the other at the bottom of the well. By means of the upper roller, it is set in very rapid motion, when the water adheres to its surfaee... | |
 | Oliver Byrne - 1853 - 196 páginas
...of hair-ropes, for which a, band of flannel, or felt, is now substituted, passing over two rollers, one at the top, and the other at the bottom of the well. By means of the upper roller, it is set in very rapid motion, when the water adheres to its surface... | |
 | North of England Institute of Mining and Mechanical Engineers - 1853 - 448 páginas
...by shifting the two sliding valves from the one pump to the other : or it is done by two screws — one at the top and the other at the bottom of the clack door. The other four smaller flat-headed screws are for keeping on the doors. The joint in the... | |
 | 1854 - 688 páginas
...ABTS — SUBJECTS ГОК PREMIUMS. "Three thermometers are required, two to be embedded in the »and (one at the top and the other at the bottom of the machine), the third to be put in the water, and they must all three be got as near as possible to 104,... | |
 | Dionysius Lardner - 1855 - 436 páginas
...cord and water. Several endless cords placed close beside each other are extended between two pulleys, one at the top and the other at the bottom of the machine, so that when one of the pulleys is made to revolve, these cords turn, rising at one side and... | |
 | George Fownes - 1857 - 576 páginas
...better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake. The warks are easily made by a fine, sharp, three-square... | |
 | 1862 - 458 páginas
...plate 18 by Iß inches, and jths in depth. The other two 104-pounders made slight indentations — one at the top and the other at the bottom of the same plate. The effect of this round was most destructive to the fastenings. Eight bolts were broken... | |
 | John Wilmot Neat - 1858 - 96 páginas
...consists of a circular disc of plate glass moving upon an axis, and provided with two cushions or rubbers, one at the top and the other at the bottom of the frame, covered with amalgam, and through which the plate moves with considerable friction. The conductor... | |
 | George Fownes - 1859 - 600 páginas
...better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake. The marks are easily made by a fine, sharp, triangular file,... | |
 | William Jardine - 1859 - 424 páginas
...theory, with the rearing of brood, is produced by ventilation ; and this is effected by two openings, one at the top and the other at the bottom of the boxes, covered with pieces of perforated tin, and fitted with moveable shutters. For the convenience... | |
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It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake. 
