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Scientific American, Vol. 34, No. 8 (1876) (1876)

leaf 4

An illustration from Scientific American, Vol. 34, No. 8 (1876), 1876, leaf 4
s, steam and inch pipe. These die stocks are drop-forged, in a single other. It appears that the casualties are not imputable to gas pipe fitters, manufacturers of agricultural machines, piece, from the toughest wrought iron, finished, and then any one class of coal, but to all classes without… … Senator Sherman, of Ohio, recent- holding square and other nuts for ly presented to the Senate a resolu- tapping. This plate is shownas pre- tion proposing a common unit of sented tothe chuck. One plate may money for the United States and Great Britain and Ireland. be slipped out and replaced by…

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