971 resultados para Pontoon bridges
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Contribution from Oregon State highway department and U. S. Bureau of public roads.
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pt. 1. Stresses in simple trusses. 6th ed., rewritten and enl., 1905.--pt. 2. Graphic statics. 3d ed., enl., 1897.--pt. 3. Bridge design. 4th ed., rewritten, 1902.--pt. 4. Higher structures. 3d ed., rev. and enl., 1907.