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Resume of work of the nonmetals division :calendar year 1936

The eykometer :a new device for measurement of the yield point of clay suspensions and oil-well drilling muds

Report of the nonmetals division, fiscal year 1941

Role of clay and other minerals in oil-well drilling fluids

Fluorescent minerals used in lighting and elsewhere

Published Year

• 1930-1939 (1)
• 1940-1949 (4)

Subject

• Drilling muds (2)
• Nonmetallic minerals (2)
• Nonmetals (2)
• Fluorescent minerals (1)

Author

• Stern, A. George. (5) *
• Ralston, Oliver C. (3) *

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