THE MASS OF A CUBIC INCH OF DISTILLED WATER. 
In vacuo. 
28,440"725 grains. 
28.440- 817 „ 
28.440- 763 „ 
28.440- 772 „ 
28.440- 810 „ 
28,440"777 grains. 
In normal air. 
28,410"253 grains 
28.410- 345 „ 
28.410- 291 „ 
28.410- 300 „ 
28.410- 345 „ 
28,410"307 grains. 
Or the logarithms of the weights in grains are 
In vacuo. 
4-4539414 
In air. 
4-4534759 
Weighing of S in Water. 
Date, 1888. 
Difference of equipoise w' 
Mean t. 
water. 
Mean t. air. 
B. 
Dec. 12 ... 
Grilt grains weights added, 
gr. 
27-02 
O 
54-58 
0 
60-22 
inches. 
30-37 
„ 12 . . . . 
27-01 
54-72 
60-50 
3037 
„ 13 . . . . 
24-70 
56-63 
59-20 
30-30 
„ 17 . . . . 
23-72 
57-60 
58-48 
30-35 
„ 18 . . . . 
)> J 5 
23-65 
57-48 
58-00 
30-18 
S just floats in water and was suspended and kept in position by a “ sinker.” The 
weights of water displaced by the sinker, with and without the gravimeter attached 
to the sinker, were ascertained by separate equipoises, the small grain weights added 
each day representing the differences of such equipoises. 
The density of the weights w used was 8*143 ; hence the density of S is— 
A s = 0-999333 
= 0-999331 
= 0-999302 
= 0-999177 
= 0-999181 
0-999265 
or log A s = 1-9996553. 
As the weight of S in air is 28410"307 grains, the volume of S in grains at 62° Fahr. 
will be 28426"61 grains. As the cubic contents of S have been taken as 112"6694096 
cubic inches, the mass of one cubic inch of w r ater ( t. — 62°) would be 252"301 grains. 
MDCCCXCIL—A. 2 Z 
