SECONDARY STANDARDS. 933 
D. 
C. 
F. E. 
Scale. 
Scale. 
T + D + Y, G + X 
21-72 G + X, T + D + Y 
27-60 
14-7 
14-6 
T + D+Y,G + R + X 
25-81 G + R + X, T + D + Y 
24-32 
25-66 
25-32 
24-35 
24-16 
14-9 
14-85 
26-31 
25-01 
24-80 
24-60 
772 15-6 
24-45 
24-26 
15-05 
15 
25-42 
24-16 
24-02 
23-64 
24-29 
23-12 
15-13 
15-1 
24-59 
23-52 
25-40 
24-25 
24-90 
23-56 
321-72 
317-52 
26(G + X) + 24R£h26(T+D + Y) + 4-2 parts. 
52G4-48R£h52(T+D) + 2-27 parts, M=14-92, F=77l'95, E=15-6. 
Gi^T + D — 0-01031 grain in air (<=14-95, 
, 5 = 770 - 45 ). 
G = I — 0-04019 grain. 
G£bW — 0-00041 grain in air (log A=7‘07832 — 10). 
G=lb. No. 36. 
100 parts= 0-307298 grain. 
D. 
C. 
F. E. 
Scale. 
Scale. 
14-8 
14-7 
T + D + Y, G+R + X 
24-50 G + R + X, T+D + Y 
26-19 
25-12 
25-70 
25-31 
26-95 
25-17 
26-07 
15-15 
15-1 
23-89 
26-46 
24-86 
25-65 
772-4 16-2 
25-05 
26-60 
15-35 
15-25 
25-61 
24-61 
26-57 
26-56 
772-4 16-4 
24-52 
24-94 
15-35 
15-25 
25-25 
26-05 
25-77 
26-11 
25-75 
24-92 
327-37 
336-81 
26(G + X) + 26R ^ 26(T + D + Y) -9-44 parts. 
D. 
C. 
F. E. 
Scale. 
Scale. 
T + D + X,G + R+Y 
18-24 G + R + Y, T + D + X 
22-09 
14-55 
14-5 
17-56 
20-46 
18-91 
20-46 
776-3 15-5 
16-92 
18-44 
16-11 
19-29 
14-7 
14-6 
15-76 
18-11 
T + D + X,G + 2R + Y 
19-71 G + 2R + Y, T + D + X 
15-59 
19-66 
15-31 
14-9 
14-8 
20-56 
14-60 
776-1 15-5 T + D + X, G + R + Y 
16-15 G + R + Y, T + D + X 
18-60 
16-99 
19-12 
15 
14-9 
16-67 
19-34 
17-05 
18-40 
230-29 
239-81 
26(G + Y) + 32R£2:26(T + D + X)-9-52 parts. 
52G + 58R£i:52(T + D) — 18-96 parts, M = 
14-93, F=774-3, E=15-9. 
G — T+ D— 0-01374 grain in air (<=14-95, 
5=772-76). 
G = I — 0-04488 grain. G — W— 0-00209 grain in air (log A=7‘07832 — 10). 
6 F 2 
