... 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 130
Ingersoll-Sergeant H9 Track Channeller. Plate XIII. … Sullivan Swivel Head Channelkii 85 channeller, designed for cutting vertical channels only, has the choppingengine attached to a solid upright standard, which is capable of being movedalong a heavy steel frame situated at one side of the truck. This arrange-ment permits the engine to be set at work…
Building stones
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