SECONDARY STANDARDS.
913
G = lb. No. 11.
January 6, 1853.
D.
C.
F.
E.
10
10
749-9
10-8
10-27
10-27
749-6
10-9
10-45
10-45
749-03
10-9
100 parts=0'41459 grain.
Scale.
I + X, G + Q+2R + Y 25-89
. 25-85
. 25-57
. 24-59
. 24-52
. 22-55
. 23-19
. 22-55
. 22-27
. 22-51
Scale.
G + Q+2R + Y, I + X 24-55
. 23-57
. 22-34
. 21-65
. 21-04
. 20-85
. 19-86
. 19-75
. 19-62
. 19*32
239-49 212-55
20(G + Q+Y) ii20(I + X)—40R +26-94 parts.
D.
C.
F.
E.
Scale.
Scale.
I-t-Yj G+Q-f R + X 18*57
G+Q+R + X, I + Y 20-96
10-53
10-6
748-8
11
. 19-01
. 21*40
. 18-15
. 20-30
. 17-57
. 20-86
17-21
. 10-17
10-8
10-8
748-8
11-1
. 17-25
. 19-42
. 16-37
. 18*12
. 16-26
. 18-75
10-85
10-85
748-75
11-5
. 16-04
. 17-74
. 15-35
. 17-32
171-78
194-04
20(G + Q + X) =A20(1 + Y) -20R-22-26 parts.
40(G + Q)=Ch40I—60R + 4-68 parts, M=10-49, F=749-14, E=ll-03.G + Qii I—0-01648 grain in air (£=10-49, 6=748-25).
G=I—0-04208 grain.
G£bW—0-01499 grain in air (log A=7’07832—10).
G = lb. No. 12.
December 28, 1852. 100 parts= 0-39337 grain.
D.
C.
F.
E.
I+Y, G + Q+X
Scale.
17-57
16-66
G + Q + X, I + Y
Scale.
19-24
17-70
10-4
10-4
752-4
11-4
17-92
17-77
20-52
19-00
18-54
21-50
10-8
10-8
752-5
11-5
19-99
19-57
19-79
20*17
19-70
19-59
10-73
10-73
752-5
11-5
19-40
18-72
187-91
18-62
18-90
192-96
20(G + Q + X)£:20(I + Y)—5-05 parts.