1 '^■i'i^aflisJiiTinf A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES VOL. VIII.—NO. 7. I NEW YORK, FEBRUARY 14, 18G3, (SINGLE (COPIES SIX CENTS. (NEW SERIES.) ' <$S PER ANNUM—IN ADVANCE … ROPER'S PATENT CALORIC BEAM ENGINE. The employment of caloric engines has latterly think, be readily understood by the letters and sub- are very economical in respect to fuel; and lastly, been confined to light duty and to those manufac- joined description. though by no means the least…
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