n diameter holds 959 gallons 



n diameter holds 827 gallons 



n diameter holds 705 gallons 



n diameter holds 592 gallons 



n diameter holds 489 gallons 



n diameter holds 396 gallons 



n diameter holds 313 gallons 



n diameter holds 239 gallons 



n diameter holds 206 gallons 



n diameter holds 176 gallons 



n diameter holds 122 gallons 



n diameter holds 99 gallons 



n diameter holds 78 gallons 



n diameter holds 44 gallons 



n diameter holds 30 gallons 



n diameter holds 19 gallons 



Surveyor's Measure. 



7.92 inches 1 link, 25 links 1 rod, 4 rods 1 chain, 10 square 

 chains or 160 square rods 1 acre, 640 acres 1 square mile. 



Strength of Ice of Different Thickness. 



Two inches thick — will support a man. 



Four inches thick — will support a man on horseback. 



Five inches thick — will support an eighty -pound cannon. 



Eight inches thick — will support a battery of artillery, with 

 carriages and horses. 



Ten inches thick — will support an army; an innumerable 

 multitude. 



Amount of Oil in Seeds. 



Kinds of Seed. Per Cent. Oil. 



Rapeseed 55 



Sweet almond 47 



Turnipseed 45 



White mustard 37 



Bitter almond 37 



Hempseed 19 



Linseed 17 



Indian corn 7 



Kinds of Seed. Per Cent. Oil 



Oats 63^ 



Clover hay 5 



Wheat bran 4 



Oat straw 4 



Meadow hay 33^ 



Wheat straw 3 



Wheat flour 3 



Barley 23^ 



