Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 639
Fiii. 3.—Robertson process of tube making. the ingot is held by its tenon and mortise extremity, e, in the head, s. which is movableunder the action ofthe screws, o and p. Through successively reducing the duimeter ofthe draw plate, this process permits of drawing out a tube conical externally,…
Mechanical engineering
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