Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 38
f -Y B ^i^^WXWW^ M 8 lO^ 58^ ^/(^n of/Vo/e ^m^^ I. sV … T-N ^/Yo/e iph ^: Fig. 26. INTERSECTIONS. 1. The intersections of curved surfacesshould be drawn as an aid to the understanding of a drawing.The Hne of intersection of two pieces must be carefully plottedwhen it is required that one or both pieces be cut to fit togetherat the line of intersection.…
Mechanical drawing
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