A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 156
Julin. 2o, Jo 93. TIMBER TRESTLE … lediately following the title page. JOJi:N SMITJ{, CLAS3 N^4529. § 14 MECHANICAL DRAWING 29 point e on the cap and towards the center line a a lay off a dis-tance e k of loinches; join the points / and /-. Now, withthe aid of a triangle draw a line in lead pencil intersectingand at right angles to…
