Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 53
raightedge is employed withcleats attached at the proper angle.They are arranged in such a way thatwhen a cleat, is held hoiiz;ntal asshown by a!n attached level, thestraightedge is on the proper slope. The straigHtedge is provided withsix cleats on each side and can be usedto measure the angle of… … Saturday, January 9, 1926 BUILDING AND ENGINEERING NEWS M
Architecture · Building · Construction industry · Engineering
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