Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 500
a portion of wire sufficient) by being raised or upset and prop to form thi of the pin. Of the pointin I revolving to its.—In the pro of sharpening the points of the pins made by the machine herein described, the piece of wire is held and turned round bj a chuck formed at the extremity of a… … ■ iiu.ii of turning. I) isuch chucks, mounted in suitable I living table D. The revolvii izontal po i!iii iii the vertical shaft e, as is Bhown ■ ■ fitted to the tabli i allow said I of motion, when i intcrmittin \ motion. I be uppci I i tin pointin■ k or under ride a hull, which n i ollar on ii…
Mechanical engineering
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