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Scientific American, Vol. 23, No. 15 (1870) (1870)

leaf 3

An illustration from Scientific American, Vol. 23, No. 15 (1870), 1870, leaf 3
ght ——— a 2 reece cylindrical screw of the ordinary form, rigidly fixed in bear- ture of their revolvers. The bodies, the barrels, and some- Bromine and fFodime. times even the chambers, are made of it, and every workman ings at each end. The screw, when the lever is moved by The bromine of… … 15,000,000 francs, or $8,000,- in Great Britain and France is 000. Of this amount two about 200,000 pounds annually, knows how much easier it is to file up a clean casting in soft thirds are represented by guns and bayonets, and the residue and outside these two countries very little is produced.…

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