Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 207
tools, has no such limitation. The floor-plate boringmill consists of a revolving table sunk in the regular floor platewhich surrounds it, the work and the machine tools beingmounted upon the revolving and the stationary plates in variousways and in accordance with the requirements of the piece… … Fig. 178.—The tool revolves while the work stands still.Work of the floor-plate boring mill. and serving as a bearing for the revolving table. A supple-mentary, non-revolving, removable piece c is provided, properlyfitted at its center so that it may be quickly dropped into placeconcentrically with…
Machine-shop practice
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