Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 414
ared with the shrinkage which takes place incompressed air, we here have a means by which the effi-ciency of the whole system may be increased by callingupon the electric wire to reheat the compressed air. That it is theoretically possible to obtain from hot com-pressed air more power than was… … M 0 » S T U R P Fid. 5. Sulphuric acid in its concentrated form,will when exposedin an open dish, absorb moisture from the atmosphere tothe extent of about double its weight. A hypotheticalassumption is made of a pump arranged to dischargesulphuric acid in the direction shown by the arrow to anopen…
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