..Report on the building and ornamental stones of Canada, volI-V . 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 the rubl)ing bed, and if necessary, is weighted to makeit bear properly. Sand and water are supplied and the stone left in position.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbuildin, bookyear1912