A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 351
rtical dotted line shown 80 PRACTICAL PROJECTION i5 15 in the plan to the full view and trace an irregular curvethrough the points thus located, completing the projection.This curve may also be traced through the plan and thereindicated by short cross-hatching, while the full view of thesectional… … Fig. .39 the execution of sheet-metal work, a section drawing isoften made directly over another view, and the lines indi-cating the section are distinguished by short cross-hatching,as shown on the plate in the plan of the preceding problem.Short portions of sectional views are also frequently…
