Test apparatus for measuring sound power levels of drills /
by William W. Aljoe, Robert R. Stein, and Roy C. Bartholomae.

Description

Main Author

Aljoe, William W.

Related Names

Bartholomae, R. C.
Stein, Robert R.

Language(s)

English

Published

[Pittsburgh, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1987]

Subjects

Rock-drills > Rock-drills / Noise.

Physical Description

ii, 35 p. : ill. ; 28 cm.

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