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1914

Bits (Drilling and boring) -- Testing<br />Rock-drills

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Tests Of Rock Drill Bits For Water-Leyner Machine, Riley Marsh Simrall, Edmond Otis Stoliker Jan 1914

Tests Of Rock Drill Bits For Water-Leyner Machine, Riley Marsh Simrall, Edmond Otis Stoliker

Bachelors Theses

"The above investigation was made in the Mining Laboratory of the Missouri School of Mines, under the direction of Prof. C. R. Forbes, with the following object in view: To make comparative tests of various types of regular and special bits for the Water-Leyner machine as to drilling speed and total distance drilled by each bit without resharpening"--Introduction, page 2.

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