. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fir». 2.—Circular attachment. MILLING-MACHINES. 509 respectively 18 in., 2-4 in., and 13 in, A circiilar milling attachment for this machine, shownin Fig. 3, is used in macliining gear-blanks, balance-wheels (which are milled between thespokes as well as the periphery), pistons, and such other circular pieces as need the whole orpart of their surfaces concentric to a given point. It is especially useful in duplicate


. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fir». 2.—Circular attachment. MILLING-MACHINES. 509 respectively 18 in., 2-4 in., and 13 in, A circiilar milling attachment for this machine, shownin Fig. 3, is used in macliining gear-blanks, balance-wheels (which are milled between thespokes as well as the periphery), pistons, and such other circular pieces as need the whole orpart of their surfaces concentric to a given point. It is especially useful in duplicate workwhen many parts of the same character are required,.


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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering