A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 351
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… … form, or profile, of moldings, the different planes of adjacentsurfaces, or the different levels at which certain notations
