The complete measurer; or, The whole art of measuring .. (1789)
Hawney, William · London : Rivington · leaf 190
dud is the Solidity. Example. Let A BCDbe the Frultum of aCone, whofe greaterDiameter C D is 18Inches, and the lefTerDiameter AB 9 Inches,and the Length 14.25Feet, the folid Contentis required. Multiply 18 by 9,and theProdu6lis 162,and the Difference be-tween 18 and 9 is 9,theSquareofwhichi^S… … 174- Menjuraiion cf Solids, Part II. maltiplied by 14.25 Feet, the Height, the Produdis 14.6775 Feet, the folid Content. Or thus, by the fir ft Rule. The Square of 18 (the greater Diameter) is 324,and the Square of 9 (the IcffL-r Diameter) is 81, andthe Redlangle, or the Produdl of i 8 by 9, is 162…
Measurement · Geometry
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