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Journal - Franklin Institute of the State of Pennsylvania (1826)

Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 413

An illustration from Journal - Franklin Institute of the State of Pennsylvania, 1826, leaf 413
rates an electric reheater. The air compressoris shown at^, compressed air being conveyed through pipeB to receiver C, thence through a conduit D to 3. pump E,situated (say) a mile away. In the engine room with thecompressor is a dynamo H, which serves to light the mine.At a point near the pump a… … extent that the electricity is converted into heat, and theheat is thus imparted to the compressed air. Such areheater as this has many advantages. The entire absenceof combustion makes it perfectly safe for inflammablemines, and the ease with which it is applied by simplyopening or closing a…

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