Cristobalite in fire clay calcines /
Davison, C. B.
Cristobalite in fire clay calcines / by C. B. Davison and H. Heystek. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1979. - 17 p. : ill. - Report of investigations ; 8394 . - United States. Bureau of Mines. Report of investigations ; 8394. . - Report of investigations (United States. Bureau of Mines) ; 8394 .
91055190
Cristobalite.
Fire-clay.
Refractory materials.
Cristobalite in fire clay calcines / by C. B. Davison and H. Heystek. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1979. - 17 p. : ill. - Report of investigations ; 8394 . - United States. Bureau of Mines. Report of investigations ; 8394. . - Report of investigations (United States. Bureau of Mines) ; 8394 .
91055190
Cristobalite.
Fire-clay.
Refractory materials.