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Scientific American, Vol. 37, No. 4 (July 1877) (1877)
leaf 4
pth 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 states that it weighs and are not driven. For carrying the angle irons upon the… … ANGLE IRON BENDING MACHINE. © 1877 SCIENTIFIC AMERICAN, INCIron · Patents · Cupola · Improved · Melting · Scientific American · Consists · Angle iron · Western union · Melting point · Trade catalogs · Address munn · Intense heat · American patent · American supplement · Steam engine
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