Tables of Measures and Weights. 125 



Apothecaries' Fluid Measure, continued. 



cong. o. f. f. m. 



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



! = 16 = 128 = 7,680 



i = 8 = 480 



i = 60 

 One minim equals i drop of water. 



Line, or Linear Measure. 



12 inches ................... = i foot. 



3 feet ..................... = i yard. 



5^ yards, or i6J/ feet ....... = i rod, or pole. 



40 rods ................... = i furlong. 



8 furlongs (320 rods) ....... = i mile (statute mile). 



3 miles ................... = i league. 



1. in. fur. rd. yd. ft. in. 



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



1 = 8= 320 = 1,760 = 5,280 = 63,360 



! = 40 = 220 = 660 = 7,920 



i = 5 1 A= 16/2 = 198 



i = 3 = 36 



I = 12 



Surveyor's, or Chain Measure. 



Square or Surface Measure. 



144 square inches .......... = i square foot. 



9 square feet ............. = i square yard. 



30^ square yards ....... , . . . = i sq. rod or perch. 



160 square rods ............ = i acre. 



640 acres ................. = i sq. mile or section. 



