SECONDARY STANDARDS. 
925 
D. 
»-9 
c. 
8-93 
F. E. Scale. 
762-8 9-3 T + D+Y, G + 2R + X 19-27 G + 2R + X, T+D + Y 
20-49 
21-62 
20-50 
20-65 
20-70 
20-99 
20-49 
22-22 
22-02 
208-95 
20(G + X) + 40R .2: 20(T + D + Y) + 17-93 parts, 
40G + 84Rii:40(T + D) + 3-4 parts, M=8-74, F=762-8, E=9-3. 
Gi2iT + D— 0-02353 grain in air (<=8-73, 6=762-1). 
G=I + 0-00113 grain. 
G:2:W — 0-00418 grain in air (log A = 7’07832 — 10). 
Means of the three series of comparisons: — 
G=I + 0-00180 grain. 
GiiW — 0-00351 grain in air (log A=7*07832 — 10), 
G = lb. No. 26. 
100 parts=0-281l6 grain. 
D. C. F. E. Scale. 
T + D + X, G + Y 21-20 G + Y, T+D + X 
14-3 14-35 20-32 
20-97 
22-27 
21-47 
753-9 14-8 18-75 
19-15 
20-20 
18-62 
14-55 14-55 18-25 
19-91 
221-12 
22(G + Y)£!:22(T+D + X)+16-58 parts. 
D. C. F. E. Scale. 
T + D + Y, G + X 17-16 G + X, T + D + Y 
14- 9 14-87 19-72 
19-97 
19-60 
18-54 
754-4 15-2 19-29 
20-31 
19-67 
18-86 
15- 3 15-3 16-87 
19-02 
209-01 
22(G + X)il:22(T+D + Y) + 37-77 parts. 
44G2i:44(T+D) + 53-35 parts, M=14-76, F=754-15, E=15. 
G:AT + D + 0-00347 grain in air (<= 14-78,'6=752-77). 
G=I — 0-00112 grain, 
G2iW + 0-00002 grain in air (log A=7-07832 — 10). 
6 E 2 
Scale. 
20-91 
19- 02 
20 - 00 
18-87 
18- 45 
19- 07 
18-81 
17- 77 
19-32 
18- 80 
191-02 
Scale. 
19-67 
18-80 
19-42 
19-46 
19-67 
17-71 
17- 26 
18- 81 
18-07 
18-27 
17-40 
204-54 
Scale. 
16- 56 
15-00 
15- 16 
14-45 
17- 47 
18- 56 
16- 69 
16-29 
13-37 
13-92 
13-77 
171-24 
