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  • The rolling straight-edge (also rolling straightedge or planograph) is an instrument used to measure the surface regularity of roads and similar structures...
    10 KB (1,181 words) - 08:59, 5 May 2023
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    : Washington Planograph Company, Inc. 1950. USS Leyte Cruisebook (September 1949 - January 1950). Washington D.C.: Washington Planograph Company, Inc...
    22 KB (2,181 words) - 18:22, 27 July 2024