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... in the proportion of one part of cement, two parts of sand and four parts of stone or gravel, or in such proportion as to produce a maximum density.

Appletons' Annual Cyclopaedia and Register of Important Events - Page 307
1885
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Pastures: Grazing, Hay, and Silage Crops

Robert R. Lancaster - 1949 - 528 pages

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Statics and Strength of Materials

Jasper Owen Draffin, William Leighton Collins - 1950 - 420 pages

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Drainage and Sanitation: A Practical Exposition of the Conditions Vital to ...

Edwin Holmes Blake, William Rees Jenkins - 1951 - 596 pages

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Housing and Home Improvement in the Caribbean

Elsa Haglund - 1958 - 306 pages

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The Scientific Approach: Basic Principles of the Scientific Method

Carlo L. Lastrucci - 1963 - 280 pages

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The Elements of Structure: An Introduction to the Principles of Building and ...

William Morgan - 1964 - 326 pages

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Subsidiary Legislation of General Application Under the ..., Volume 4

1966 - 1100 pages

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The American Fireplace: Chimneys, Mantelpieces, Fireplaces & Accessories

Henry J. Kauffman - 1972 - 372 pages

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A Selection of Historic American Papers on Concrete, 1876-1926, Issue 52

Howard Newlon - 1976 - 354 pages

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Millwrights and Mechanics Guide

Carl A. Nelson - 1983 - 1052 pages

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