Inside Out Library
A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 155
5== - - r - r F r ^ : T— ^ c; 3 3 3 r^ 9~9©9 a g 1 c tf … Julin. 2o, Jo 93. TIMBER TRESTLEMechanical drawing · Mechanical engineering · Electrical engineering
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