Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 115
ng=27zrx slant height; that form of structure as our concluding when r is half the sum of the radii of the two bases, i.e., r is the mean radius. construction. Consequently, the weights of these CONICAL DOME OF METAL. rings, or any given fraction of them in- In Fig. 19, let bd be the axis of the… … exerts upon the part below it, while the tween the horizontals through gx,g2, etc., radial thrust borne by any ring is the and use some convenient fraction, say \, difference between two successive quanti- of these quantities of the type da as the ties of the type tu, i.e., the radial thrust…
Engineering
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