Author: Eardley-Wilmot, V. L.
Title: Abrasives Products of Canada Technology and Application Parts I-IV:I Siliceous Abrasives Sandstones, Quartz, Tripoli, Pumice and Volcanic Dust, II Corundum and Diamond, III Garnet
Description: Ottawa: F. A. Acland 1927, 3 vols., softcovers, 119 + 51 + 69pp, numerous figs, foldout maps, etc.. good condition 670gram. %.

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