COMPUTATION TABLES. 151 



in bins, divide the cubic contents in inches by 2747.7 (the 

 cubic inches in a heaped bushel). If the corn is in the ear, 

 deduct one-third from the result. 



To find the tons of hay in a mow or stack, divide the cubic 

 contents by about 510, if the hay is not well settled ; or by 

 about 460, if the hay is well packed. 



VII. CAPACITIES OF PIPES AND TANKS. 

 41. Quantity of Water held by Pipes of Various Sizes. 



Diameter of Contents of 100 Feet 



Bore. in Length. 



J inches 84 gallons. 



1 3.39 " 



\\ " 7.64 " 



2" " 13.58 " 



2| " 21.22 " 



3 " 30.56 " 



4 " 54.33 " 



5 84.90 " 



6 " 122.26 " 



42. Number of Gallons in Circular Tanks and Wells. 



To find the contents in gallons of circular tanks, etc., square 

 the diameter in feet, multiply by the depth, and then multiply 

 by 5.875. 



GALLONS WHEN THE DEPTH IS 



Diam- / ' N 



eter. 3ft. 4ft. 5ft. 6ft. 7ft. 8ft. 9ft. 10ft. lift. 12ft. 



4 ft. 282.00 376.00 470.00 564.00 658.00 752.00 846.00 940.00 1034.00 1128.00 



5 " 440.63 587.50 734.38 881.25 1028.13 1175.00 1321.89 1468.76 1615.63 1762.50 



6 " 634.50 846.90 1057.50 1269.00 1480.50 1692.00 1903.50 2115.00 2326.50 2538.00 



7 " 863.63 1151.50 1439.38 1727.25 2015.13 2303.00 2590.89 2878.76 3166.63 3454.50 



8 " 1128.00 1504.00 1880.00 2256.00 2632.00 3008.00 3384.00 3760.00 4136.00 4512.00 



9 " 1427.63 1903.50 2379.38 2855.26 3331.13 3806.00 4282.89 4758.76 5234.63 5710.52 



10 " 1762.52 2350.00 2937.52 3525.00 4112.52 4700.00 5287.56 5875.04 6461.52 7050.00 



11 " 2132.63 2843.50 3554.38 4265.26 4976.12 5687.00 6397.89 7108.76 7819.43 8530.52 



12 " 2538.00 3384.00 4230.00 5076.00 5922.00 6768.00 7614.00 8460.00 9306.00 10152.00 



