Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 194
se of that on the exterior. To shade the circular drawing as called for by the arrows,draw the diameter E-F with the 450 triangle, then draw thediameter G-H at 900 with E-F and 450 with A-B, and cuttingE-F at a point about -gV to TV from the center; now with thecenter defined b the intersection of…
Mechanical drawing
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