Food for Plants. IT 



Q 



A gallon of Avater weighs from 8 to 10 pounds, accord- 

 ing to the size of the gallon, and is equal to a box 6 by 6 

 inches square and 6, 7 or TVo inches deep. 



A peck is equal to a box 8 by 8 inches square and 8 

 inches deep. 



A bushel ahnost tills a box 12 by 12 inches scpiare and 

 15 inches deep. In exact figures, a bushel contains 

 2150.42 cubic inches. 



A cubic foot of water weighs nearly 64 pounds (more 

 correctly 62i/4 pounds), and contains from 7 to 8 gallons, 

 according to the kind of gallons used. 



A barrel of water ahnost fills a box 2 by 2 feet square 

 and 11/2 feet deep, or 6 cubic feet. 



Petroleimi barrels contain 40 gallons, or nearly 5 

 cubic feet. 



Square Measure 



144 sq. inches = 1 sq. foot. 160 sq. rods = 1 acre. 



9 sq. feet ^= 1 sq. yard. 43,560 sq. feet == 1 acre. 



30^4 sq. 5' ards = 1 sq. rod. 640 acres = 1 sq. mile. 



2.47 acre = 1 hectare. 



Facts for Builders. 



One thousand shingles, laid 4 inches to the weather, will 

 cover 100 square feet of surface, and 5 pounds of shingle 

 nails will fasten them on. 



One-fifth more siding and flooring is needed than the 

 number of square feet of surface to be covered because 

 of the lap in the siding and matching. 



One thousand laths will cover 70 yards of surface, and 

 11 pounds of lath nails will nail them on. Eight bushels 

 of good lime, 16 bushels of sand, and one bushel of hair, 

 will make enough good mortar to plaster 100 square 

 yards. 



A cord of stone, 3 bushels of lime and a cubic yard of 

 sand, will lay 100 cubic feet of wall. 



Five courses of brick will lay one foot in height on a 

 chimney; 16 bricks in a course will make a flue 4 inches 

 wide and 12 inches long, and 8 bricks in a course will 

 make a flue 8 inches wide and 16 inches long. 



