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The measurement of organic impurities in sands by means ofa photoelectric cell

by H. Walter Leavitt and Weston S. Evans
Bok Engelsk 1932

Some additional factors in the prediction of the tensile strength of sand mortars

by H. Walter Leavitt, John W. Gowen and W...
Bok Engelsk 1930

The graphical solution of a correlation table

Evans, Weston S.
Bok Engelsk 1929

A study of the reliability and prognostic value of the standart tension and compression tests for sand mortars : a report of several investigations conducted by the Maine Technology Experiment Station in cooperation with the United States Bureau of Public Roads, by Weston S. Evans and H. Walter Leavitt

Evans, Weston S.
Bok Engelsk 1929

The relation of the grading characteristics of Maine sands upon their tensile strength

by John W. Gowen, H. Walter Leavitt and W...
Bok Engelsk 1929

The time of set as a factor in determining the strength of Portland cement

by John W. Gowen, H. Walter Leavitt and W...
Bok Engelsk 1926

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