Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 150
and gon the upper end of the cyl-inder ; these lines will berepresented in the elevationby projecting the points/and g to /, g, and drawing «/and eg parallel to the axis. The plane a g will in like manner cut thesmaller cylinder in two straight lines, which will be represented in the verti-cal… … Fig. 271. 134 ORTHOGRAPHIC PROJECTION. To find the curves of penetration in the elevation without the aid ofthejjlan(Fig. 271). Let the bases D E and Q 0 of both cylinders be revolved parallel to thevertical plane after being transferred to any convenient distance, as D E andQ 0% from the principal…
Mechanical drawing
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