A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 251
venient a scale as possible, it isnecessary to make this tracing a trifle larger than the platesthat have preceded it. The size over all will be 14+X 18;,with the usual border line ^ inch from each edge all around. That the student may have a good idea of what he isexpected to do, a greatly reduced… … l\\f^^^=^
