Transactions of the American Institute of Mining Engineers, Vol. 58: Containing Papers and Discussions Presented at the St. Louis Meeting, October, ... Meeting, February, 1918 (Classic Reprint) - Hardcover

Excerpt from Transactions of the American Institute of Mining Engineers, Vol. 58: Containing Papers and Discussions Presented at the St. Louis Meeting, October, 1917, and at the New York Meeting, February, 1918

The following investigation was undertaken in order to determine what effect, if any, the shape of the cutting edge has on the cutting speed and wearing qualities of drill bits.

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