Standards and conventions for mechanical drawing (1921)
Kepler, Frank Roy, 1875-, Detroit (Mich.). Board of Education · [Detroit] · leaf 37
tern or die makers who havebeen trained in drafting. Such drawings are intended to sup-plement the ordinary drafts made by each pattern maker or theforeman. 81. Pattern drawings should contain certain notes to assistthe pattern maker such as Break all sharp edges except asnoted. 82. Forging… … 36 CONVCNTtONAL CROS^S SECTfOMNG
Mechanical drawing
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