... Report on the building and ornamental stones of Canada, vol. I-V (1912)
Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 180
, bythe Allis-Chalmers-Bullock Co. Electrical energy is also produced from a220 K.\V. generator by the Lancashire Dynamo and Water Works. The cranes, some of the saws, and the finishing and blacksmith shopmachinery are operated by electricity. A complete lighting plant is alsoprovided. Compressed… … v/ Ooo^a /?ae^ 4W ff Sa JS f Fig. 8. Plan of the quarr.
Building stones
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