to a much greater infinite quantity of bars, projected from an ever-last- 61 pounds of steam, to make which, assuming an evapo- distance than it would if the water jets alone were ing and ever-moving force, as they go on bending, coil- ration of 8 pounds per pound of coal will require 61 ■+- used.… … loss which we experience in transmission of light largely by the use of devices which force jets of HOLDEN'S APPARATUS FOR DEEPENING CHANNELS. air in sufficient quantities into the furnace to is simply a constant tendency of one ray to kill another as nothing else can, and as the prisms and secure…
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