Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 118
ction-lines inthe elevations. This is done here and in somelater examples merely to aid the beginner inunderstanding the views; but, in engineering prac-tice, section-lining is rarely done on views not perpendicida/r to the section plane.. 3C fV-— .... c \V...A. ■ ^ ^^^^ %± --,. \ 1 \ yv^ : 1 \ \ \… … SECTIONAL VIEW 394. Sujypression of the Ground Line. In machine drawingground line, since tlie fonni< of the various views —which alone concern us—are independent of thedistance of the object from an imaginary horizon-tal or vertical plane. We have only to rememberthat all elevations of a point…
Mechanical drawing · Lettering
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