 | Chemical Society (Great Britain) - Chemistry - 1908 - 1366 pages
...continually stirred by a small revolving platinum vane driven by an electric motor, and two thermometers, one at the top and the other at the bottom of the beaker, showed the temperature of the liquid to be uniform throughout. When the temperature had fallen... | |
 | Civil engineering - 1849 - 220 pages
...manner. It has been stated, in describing the mode of construction, that two driftways were driven, one at the top and the other at the bottom of the tunnel. An air shaft, five feet diameter, was sunk on the centre line, at a short distance from each... | |
 | Perry Fairfax Nursey - Industrial arts - 1849 - 650 pages
...the open air or conducted into the chimne> of the locomotive, to act ts a blast. F F1, are two ports, one at the top and the other at the bottom of the cylinder, which serve alternately as inflow and outflow passages for the steam to and from the cylinder,... | |
 | Technology - 1849 - 656 pages
...the open air or conducted into the ehimney of the locomotive, to act as a blast. F F1, are two ports, one at the top and the other at the bottom of the cylinder, which serve alternately as inflow and outflow passages for the steam to and from the cylinder,... | |
 | Industrial arts - 1849 - 654 pages
...the open air or conducted into the chimney of the locomotive, to act as a blast. FF1, are two ports, one at the top and the other at the bottom of the cylinder, which serve alternately as inflow and outflow passages for the steam to and from the cylinder,... | |
 | Dionysius Lardner - Astronomy - 1851 - 804 pages
...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... | |
 | Charles Fenno Hoffman, Lewis Gaylord Clark, Kinahan Cornwallis, Timothy Flint, John Holmes Agnew - Periodicals - 1851 - 584 pages
...with hydrogen gas ; one of them he let float off in the atmosphere, the other he held by two strings, one at the top and the other at the bottom of the balloon, so tbat, from being detained, it had the force of the current of air on one side, and In three... | |
 | Cyclopaedia - 1852 - 262 pages
...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 - Mechanics - 1853 - 196 pages
...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... | |
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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. 
