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Scientific American, Vol. 57, No. 2 (July 1887) (1887)

leaf 14

An illustration from Scientific American, Vol. 57, No. 2 (July 1887), 1887, leaf 14
l, one of open-hearth steel, and one of crucible Moulding, Founding, Pattern Making, and Metal Work- £2(1 and Wood Sta.» steel, or three unforged, rough-bored and turned cast- ing, which will be sent free upon application. Philadelphia.) Pa. ings for such cannon, of the same material, respectively,… … Sealed proposals from domestic manufacturers of not give your No. 5 " L " for a $700 pump, 32 Numbers a Year. steel.to furnish ten sets of steel forcings for 64nch B. equal distance to raise. L. rifle guns and one set of chase— hoops foralO-inch 14 N. A. Litchfield, Supt. Mich. Slate Co." This…

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