Jr1u ,�nbrnticrns, : �(hntifit �m£ritan� One trial was made with No. 4 iron, but in 15 As intimated above, good bar iron was ; cylinder, or the outside of the plunger, and minutes the metal settled down in the furmade in the pu . ddling furnace from iron which I thus these two parts of the pump do not re n \ce, and though it was immediately tapped, had been previously boiled a short time only qnire to be turned in a lathe. ==== == == == == == == ==_ the iron would not run out, and the furnace

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... the Bessemer furnace. This latter experi-I If any part of this pump should become de-;\foDufacture of Aluminum. i'�.d to be taken to pieces to liberate its iron ment, as were most of the others, was at Coes' I ranged, it can be repaired or replaced with When the metal aluminum can bemanufacpris on er.