... 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 138
be from 4 to 14 feet in diameter, and it isdriven at a rate of from 44 to 48 revolutions per minute (Vermont Marble Co.)Only the smaller sizes are made with underneath gear. Surrounding the plate isa wooden box to prevent the scattering of water and sand. The block of stoneis placed face down on…
Building stones
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