74 SPECIAL TOPICS IN THEORETICAL ARITHMETIC of numeration that would have all the advantages of the deci- mal system with none of its disadvantages. 143. The following tables (?) are given to illustrate the possi- bilities of such regulation of the English system of weights and measures. In these tables 10 stands for 2%, or . 144. Length. 10 points = 1 line 10 lines = 1 inch 10 inches = 1 wand 10 wands = 1 rod 10 rods = 1 dash 10 dashes = 1 mile For intermediate units we might set 2 inches = 1 thum 2 thums = 1 palm 2 palms = 1 span 2 spans = 1 wand 2 wands = 1 step 2 steps = 1 staf 2 staves = 1 pole 2 poles = 1rod 145. Weight. 10 parts = 1 grain 10 grains = 1 dram 10 drams = 1 ounce 10 ounces = 1 pound 10 pounds = 1 stone 10 stones = 1 sack 10 sacks 1 ton Il (1) See George H. Cooper, Elementary Arithmetic of the Octimal Nota- tion, San Francisco, Whitaker and Ray Co., 1902,