124 ^^^ Horticulturist's Rule- Book. 



Apothecaries' Fluid Measure, continued. 



cong. o. f. f. m. 



1 = 8 = 128 = 1,024 = 61,440 



1 = 16 = 128 = 7,680 



1 = 8 = 480 



1 = 60 



One minim equals 1 drop of water. 



Line or Linear Measure. 



12 inches = 1 foot. 



3 feet =1 yard. 



h}i yards, or 16>^ feet =1 rod, or pole. 



40 rods = 1 furlong. 



8 furlongs (320 rods) = 1 mile (statute mile) 



3 miles =1 league. 



1. mi. fur. rd. >d. ft. in. 



1 = 3 = 24 = 960 = 5,280 = 15,840 = 190,080 



1 = 8 = 320 = 1,760 = 5.280 = 63,360 



1 = 40 = 220 = 660 = 7,920 



1 = 5K - 16>i = 198 



1 = 3 = 36 



1 = 12 



Surveyors' or Chain Measure. 



7.92 inches = 1 link. 



25 links =1 rod or pole. 



4 rods, or 66 feet = 1 chain. 



80 chains = 1 mile. 



mi. ch. rd. 1. in. 



1 = 80 = 320 = 8,000 = 63,360 



1 = 4 = 100 = 792 



1 = 25 = 198 



1 = 7.92 



Square or Surface Measure. 



144 square inches =1 square foot. 



9 . square feet =1 square yard. 



30):^ square yards = 1 sq. rod or perch. 



160 square rods =1 acre. 



640 acres = 1 sq. mile or section. 



