Example. A Cistern 6 feet long,3 feet wide and 3 feet high, is equal to54 cubic feet, which multiplied by 1728is equal to 93,312 cubic inches, and thatdivided by 231 (the cubic inches in agallon) gives, very nearly, 404 gallonsas the capacity of the cistern in ques-tion. A Circular Cistern. The… … Example. Diameter 3 feet, height 3feet. The square of which is 9 feet,which multiplied by 7,854 decimals of afoot gives 7 feet and 0686 decimals, andthis multiplied by the height, 3 feet,makes 21 feet, 2056 decimals. Reducethis to inches by multiplying it by 1728,and divide the amount b} 231,…
Architecture
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