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 947
ing bored.The capacity is 200 blocks per hour. The Heavy Hub-boriiifi Machine shown in Fig. 5 receives the hub l)lock between powerfuluniversal jaws, which hold it central with the boring tool. In boring, the soft central partof the block is removed. By the use of solid steel reamers, the hole is… … Ilnb-borin machine.
Mechanical engineering
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