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Scientific American, Vol. 56, No. 19 (May 1887) (1887)

leaf 3

An illustration from Scientific American, Vol. 56, No. 19 (May 1887), 1887, leaf 3
s, and the number of nails from twelve hun- the pin on which it is fulcrumed in any one of the joins a vertical arm secured to a transverse rod held in dred to four hundred per minute. These are the holes formed in the lever. brackets on each side of the box. Each bracket is limits given for nails… … straightener in turn moves scure. IMPB0VED NAIL MAKING MACHINE, © 1887 SCIENTIFIC AMERICAN, INC.

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