Practical problems in mechanical drawing and blueprint reading (1921)
Sturtevant, Walter W. [from old catalog] · Minneapolis, Minn. : Practical problems co. · leaf 4
object, the drawing of a section is poor practice. It is suggested that the test drawing, the side view or section or sketch be made on a sep-arate sheet in pencil, thus saving time and avoiding the possibility of the pupils receiving theimpression that it must be made to complete the drawing.… … D/?AW l//VeS /N THE P/RECT/OA/ /A/P/CAr£P BY ARf^OWSH££P rOiy/^ F£/^C/L5 S/VARP rOU- /^LfST SE £XACT A / / / / / /,. /^ / 1/ (:^—^^p^-~^ %) W<S^ / ^%^^X. f.M/ / / / . ^^^^ ^ / / ^^^^ V / K i/l/ \ \ ^^^ J / ■7// // ^ ^
Blueprints · Mechanical drawing
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