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Scientific American, Vol. 4, No. 4 (1861) (1861)

leaf 4

An illustration from Scientific American, Vol. 4, No. 4 (1861), 1861, leaf 4
ration being kept up, A’ will finally reach the or ornament to be stamped, and of a lower piece carry- dense within the tube shall drain back into the pipe ; point, a, and, if the parts are properly proportioned ing the letters or corresponding figures or ornament in but it is manifest that a tube… … and which occur in directions nearly vertical ; second, tached to the main shaft of those which are occasioned by the swaying of the en- The engraving represents a central vertical section the machine which it is to re- gine from side to side, and by the striking of the of a press ; a, wooden knob…

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