178 



Food for Plants. 



25 

 20 

 15 

 14 

 13 

 12 

 11 

 10 



9 



8 



6 

 5 



41/2 



4 



3 



21/2 

 2 



Capacity of Cisterns for Each 10 Inches in Depth. 



feet in diameter holds 3,059 



foet in diainoler holds ] ,958 



feet in dianietor holds 1 ,101 



feet in diameter holds 959 



feet in diameter holds 827 



feet in diameter holds ' Oo 



feet in diameter holds 592 



feet in diameter hlods "189 



feet in diameter holds 396 



feet in diameter holds _• . 313 



feet in diameter holds 239 



feet in diameter holds 206 



feet in diameter holds 176 



feet in diameter holds 122 



feet in diameter holds 99 



feet in diameter holds ''^8 



feet in diameter holds 44 



feet in diameter holds 30 



feet in diameter holds 19 



gallons 

 ijallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 

 gallons 



Surveyor's Measure. 



7.92 indies 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 artil- 

 lery, with carriages and horses. 



Ten inches thick — will support an army ; an innumer- 

 able multitude. 



Kinds of Seed 



Rapeseed 555 



Sweet almond 47 



Tnrnipseed 45 



White mustard 37 



Bitter almond 37 



Hempseed 19 



Linseed 17 



Indian corn 7 



Amount of Oil in Seeds. 



Per Cent. Oil Kinds of Seed 



Per Cent Oil 



Oats GVa 



Clover hay 5 



Wheat hran 

 Oat straw 



4 

 4 



Meadow hay 31/2 



Wheat straw 

 Wheat flour 



3 

 3 



Barley 21/2 



