The naval architect's and shipbuilder's pocket-book of formulae, rules, and tables and marine engineer's and surveyor's handy book of reference (1884)
Mackrow, Clement · London, C. Lockwood and co. · leaf 54
Add to this the simple sum of all the even ordinates inthe outside rows. (4) Multiply this final sum by f of thecommon vertical interval, by thecommon horizontal interval, and theresult will be the volume. Ex. In the accompanying figurethe multiplier for each ordinate isshown above it, so that if s… … 2(8 X A,r; x Ar) 46 MENSURATION OF SOLIDS. 20. To measnre the rohime of a )vedfie-shaj)ed solid howided onone ftide hy a curved- miface. (Fig. 10.3.) KuLE.—Divide the figure longitudinally by a number ofplanes radiating from the edge at equal angular intervals, and also divide the length of tigure…
