Inside Out Library
Scientific American, Vol. 39, No. 3 (July 1878) (1878)
leaf 0
.C.r§5f KDh^. ^^M ^■Bl ^^ T:r<^«9L>->3- («/'X>-» A V^EEKLY JOURNAL OF PRACTICAL INFORMATION, ART, S(1ENCE, MEI1JANICS, CHEMISTRY, AND MANUFACTURES. r$3.20 per Annum. NP:W YORK, JULY 20, LS78. 3. Vol. XXXIX.—No. L [POSTAGE PREPAID.] [new ^EKIES.j … •r^ DINGLEY'S VARIABLE AUTOMATIC CUT-OFF. © 1878 SCIENTIFIC AMERICAN, INC.Patented · Patents · Improved · Valve · Scientific American · Chase elemental · Winding drum · Piston rod · Stuffing box · Veratroid contraction · Heart beat · Wrought iron · Large number · William armstrong
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