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Scientific American, Vol. 37, No. 4 (1877) (1877)
leaf 4
epth boy at work on a farm, striking a tree with a report like The two bending rolls are of course free on the spindles, has been bored. Pipe lines are already projected and Cal- that of a small cannon. The report statesthat it weighs and are not driven, For carrying the angle irons upon the… … ANGLE IRON BENDING MACHINE. © 1877 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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