International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 400
ers of the outside row of piles.The first course of masonry is laid flush with the outside ofthe grillage, and extends on all sides G inches beyond thesecond course. The second course projects on all sides Ginches beyond the main body of the pier. Beginning with the third course, the north end of…
Railroad engineering
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