DENSITY OF THE PLATINUM WEIGHT V. 
871 
Weighing of V in water. 
The wire by which V was suspended in water was so 
fine, that 
the effect of the 
displacement of the water by it, on the sensibility of the 
balance, may be neglected. 
The thermometer B was suspended in the water, with its bulb in a 
horizontal plane 
through V. The counterpoise in the left-hand pan is su 
pposed to be in equilibrium 
with the weights suspended from the right-hand end of the beam, 
when the read- 
ing of the scale is 1 9. 
January 24, 26, 1846. 100 parts =0*2626 grain. 
V and hook in water. In right-hand pan. 
B. C. F. S. 
gr- 
Scale. 
12*16 
0*64 
23*20 
0*62 
14*80 
0*63 
19*35 
11*1 
0*63 
18*30 
0*63 
18*90 
12*13 
0-63 
19*40 
12*05 
0*64 
20*57 
0*63 
18*15 
752*47 15*95 
0*64 
20*60 
0*63 
18*30 
12*0 11*35 
0*63 
18*20 
0*64 
20*65 
12*0 
0*63 
19*85 
11*37 
0*63 
19*50 
0*63 
19*57 
0*63 
20*10 
0*63 
20*05 
11*1 
0*63 
19*90 
0*63 
19-85 
0*63 
19*85 
11*35 742*2 16 
0*63 
19*65 
11*1 
0*63 
19-52 
11*76 11*29 747*33 16 
0*6314 
19-52 
Counterpoise in air (C=11‘29, F=747*33, E=l6) balances V and hook in water (B=ll‘76) + 0*630 gr. in air. 
In right-hand pan. 
gr- 
Scale. 
F-f H-l-R-l-0-06 
18*72 
+ 0*06 
18*82 
+ 0*06 
18*86 
+ 0*06 
18*92 
+ 0*06 
18*61 
1^9 
Counterpoise balances F4-H + R + 0*0606 grain. 
V and hook in water (B=ll'76):!lF + H + R— 0*5694 grain in air (C = ll*29, F=747*33, E=l6). 
100 parts =0*292 grain. 
In right-hand pan. 
gr- 
Scale. 
1*61 
20*00 
1*61 
20*05 
1*61 
20*20 
1*61 
19*40 
1*61 
20*70 
1*61 
21*45 
January 26. 
Hook in water. 
