j citi LAP Bp ead por AK AS 1 . ————— rrr ca TA HULU et St Stale ba | } a es 0k Gt). CchDn CONDI aan. Za a 5 N 7 ey, A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES VOL. VIII.---NO. 7. } NEW YORK, FE BRU ARY 14, 1863, SINGLE [COPIES SIX CENTS. (NEW… … ROPER’S PATENT CALORIC BEAM ENGINE. The employment of caloric engines has latterly | are very economical in respect to fucl; and lastly, | think, be readily understood by the letters and sub- been confined to light duty and to those manufac- | though by no means the least consideration in these |…
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