Inside Out Library · Explore
Scientific American, Vol. 25, No. 24 (1871) (1871)
leaf 0
ten- In the melting shop there are eight furnaces altogether ; quently, no great time elapsed before he applied this new | ing presses, and one double punching press, one “ ending” four of them are for melting up scrap, and about 62 tuns per power to the manufacture of steel, since the intense heat… … © 1871 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 25, No. 24 (1871)
More like this
