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Scientific American, Vol. 23, No. 23 (December 1870) (1870)

leaf 5

An illustration from Scientific American, Vol. 23, No. 23 (December 1870), 1870, leaf 5
ws. A certain number of them put that the smaller weight will balance the larger. forth over the calk, and the required rotation being given together, as shown, and riveted ; the width and length must The operation of this invention is as follows : The safety thereto through the crank, the calk is… … between its jaws. Either straight or curved pieces can be prominent attractions promised, besides others of minor im- of the large stone, the difference in the weight, operating on held nicely. The inside edges of the tongs or gridiron, or portance. The capital required is $2,000,000, and on this…

Patents · Iron · Inventor · Tuns · Manufacture · Scientific American · Water · Wrought iron · Western north · North carolina · Paper weights · Perpetual motion · Cold air · Perfect repulsion · Hot blast · Three distinct

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