Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 11
remark i ■ of thoso forge-hammers wh b I lie- in thi in the ndition in which, for tie purposo of hnmmci i p and down motion; bo tliat instead of causii l the compli \ mi dia i I HAMMER. other purpose than to cause it to act in the same manner a< at first,—if we dispense with all this mas*of… … ined all tl ■ ntials of a forge-hammer in its simplest and mos( he same time, as experi demonstrated, in its most perfect and efficient form ■Hammer, ai 1 Mich considerations as the preceding led to the invcn-. thi- mach HAMMER. Some idea of its efficiency in shingling paddled balls may I from the…
Mechanical engineering
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