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Scientific American, Vol. 45, No. 5 (1881) (1881)
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echanical obstacles that rendcred it impossible connecting rods from levers, B, pivoted at the LASTING MACHINE-PLAN AND SECTION OF LAST. to last boots or shoes by machinery. Such obsta- top of the frame, and the levers are connected cles, if there were any, have with arms on the rockshafts, been… … comes back again—if it ever and the last inserted therein returns. © 1881 SCIENTIFIC AMERICIAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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