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An easily constructed optical bench
Three Bureau of Mines optical dust probes
Optical rock dust meter field evaluation
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Published Year
1940-1949 (1)
1980-1989 (1)
1990-1999 (1)
Subject
Optical instruments (3) *
Mine dusts--Measurement (2)
Reflectometer (1)
Workbenches (1)
Author
Cashdollar, Kenneth L. (1)
Conti, Ronald S., (1)
Cossey, Frank. (1)
Greninger, Nevin. (1)
Liebman, I. (1)
Marks, Graham W. (1)
Mills, Ralph. (1)
Perlee, Henry E. (1)
Sapko, M. J. (1)
