ial toa 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, asthey 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 air in sufficient quantities into the furnace to is simply a constant tendency of one ray to kill secure complete combustion. This method has another as nothing else can, and as the prisms and…
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