Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 90
f the cylinders. Solution.—Draw the semicircles M and JV and divide theminto an equal number of equal arcs; through these points of divi-sion draw the lines 1-1, 2-2, etc., parallel to the elements of cylin-der A. From the points of intersection of these lines—elements—with the circle of the large… … 83. Problem 9. To Construct a Conical Paper Shade for anOrdinary Incandescent Lamp.—Let the drawing for the pro-posed shade be that given in plan and elevation, Fig. 27. Analysis.—If the sides D-A and C-B of the shade be projectedto an intersection at O, the shade becomes a cone, which,…
Mechanical drawing
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