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An easily constructed optical bench

Three Bureau of Mines optical dust probes

Optical rock dust meter field evaluation

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)

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