Showing 1 - 2 results of 2 for search 'Roller, Paul Salmon, 1902-', query time: 0.01s Refine Results
  1. 1
    Relative value of gypsum and anhydrite as additions to Portland cement /

    Relative value of gypsum and anhydrite as additions to Portland cement / by Roller, Paul Salmon, 1902-

    Published 1937
    Government Document Book
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  2. 2
    Separation and size distribution of microscopic particles : an air analyzer for fine powders.

    Separation and size distribution of microscopic particles : an air analyzer for fine powders. by Roller, Paul Salmon, 1902-

    Published 1931
    Government Document Book
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