Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 786
spindle, q q are the friction clips upon the pullejand 8 i- the screwed ro 1 by which the clips are brought into action. For some Bpecial purposes the radial drill affords great com. I where much accuracy is re- Uired it cannot be so well depended upon as the ordinary form, as it rarely possesses…
Mechanical engineering
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