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 27
ctangle, as ab c d, should be laid out on each plate, with proper margins; usuallyat least an inch at the top, right and bottom, and an extra half inch on the left as an allowance forbinding. These margins are indicated by x and z in the figure, as variables to which any con-venient values may be… … mimimmmmiiimmmmfmmmmmm^^^ EXERCISES FOR PEN AND COMPASS. 21 CHAPTEIt IV. GEADES OF LINES. —LINE TINTING. —LINE SHADING. —CONVENTIONAL SECTION-LINING.—FREQUENTLY RECURRING PLANE PROBLEMS.—MISCELLANEOUS PEN AND COMPASS EXERCISES. 65. Several kinds of lines employed in mechanical drawdng are indicated…
Mechanical drawing · Lettering
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