now two meridian planes horizontals are drawn through the ends f, . . . , of the edges of the second set of through ac, whose included angle is — pyramids, they will divide the distance of a circumference. The part of the Ad into m equal parts. The same holds zone included between them has an area… … Fig. 24 made along the center line in conse- quence of what follows. 99. Let us refer again to the inner dome de (Fig. 24). If we pass horizontal planes midway between the horizontals drawn, also pass conical joints through their intersection with the center line de, we divide the previous…
Engineering
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