^ and drawa vertical through T. The intersection of these two lines isthe center of the | tapped hole. Draw the major axis of the ellipse perpendicular to OA and base its lengthon the line FT of the reference cube of Fig. 39. Draw the eUipse the same shape as that in the right faceof the reference… … Hour Arm Fig. 40. 90 AX0/if£T/ilC
Mechanical drawing · Lettering
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