The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 35
CLAY I CLAY CLAYTON - CLAYTON - BULWER TREATY CLEARCHUS -. " Raleigh letter " of April 27 , 1844 , Clay came out against annexation " at the present time ” ; a similar letter by Van Buren ( collusion has always been suspected but never ...
CLAY I CLAY CLAYTON - CLAYTON - BULWER TREATY CLEARCHUS -. " Raleigh letter " of April 27 , 1844 , Clay came out against annexation " at the present time ” ; a similar letter by Van Buren ( collusion has always been suspected but never ...
Page 36
... clay is important in many applica- tions , as are the low abrasiveness and the resist- ance to high temperatures of some clay minerals . KINDS OF CLAYS The mineral constituents of clay may be con- sidered in terms of four groups ...
... clay is important in many applica- tions , as are the low abrasiveness and the resist- ance to high temperatures of some clay minerals . KINDS OF CLAYS The mineral constituents of clay may be con- sidered in terms of four groups ...
Page 37
... clay mineral content . Its value depends upon a number of other factors as well , such as its moisture , chemical constituents , porosity , organic materials , and even the microbiological organisms it contains . However , clay minerals ...
... clay mineral content . Its value depends upon a number of other factors as well , such as its moisture , chemical constituents , porosity , organic materials , and even the microbiological organisms it contains . However , clay minerals ...
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