f 
to ascertain a Standard of Weight and Measure . 151 
every inch that the scale was sunk lower in the water ; and so 
in proportion. 
(§. 20.) Experiment of the Cube of Brass weighed in Air . 
The cube was suspended to the right arm of the beam, by 
the scale belonging to it, and the left scale pan, with the 
mark x, was hung at the other end of the beam, in which 
were placed the following weights,* made by E. Troughton. 
grains. 
viz. No. 15 of 16384 
14- 8192 
13- 4096 
12 — 2048 
11 - 1024 
9 - 2 56 
. 84,82.. 
Inch. 
The total weight of ] ___ 920 g^ g 2 f the barom. being at 29,0 
the cube in air j <j2 ° ’ [the therm. - at62°,o 
3J‘4AA 
fS.‘/24s: 
0 • 3622s 
4 'Ss/fA 
Z1340S / 
0 • 5 3 3/4 
0 ‘ / Q 3 & 7 
2 - 
/ 
4 
4. ' 
/ . 
2 
(§.21.) Experiment of the Weight of the Cylinder in Air . 
grains. 
No. 15 of 16384 
13 - 4096 
11 - 1024 
grains. 53’S7 
7 Buta counterpoise of 555, 02' 
having been used, 
by mistake, in- 
stead of - 552,34 
21,557,37 
>= + , 2,68 
f 7 
Add this excess 
2,68. 
inch. 
f the barom. at 29,0 
And the total weight of the cy - 1 a ■ 
Under is - - J = 21 ’ 56 °’° 5 i the therm. at 6a ',o 
* This scale contained also 555,02 grains, being the weight or counterpoise to the 
scale for the cube. 
_ 2/s/ O ' A 7 
Qu, D, 
f /\ , .)•■> ,7 
U5C ! 
0 
Qjf J 
72 2/ * // 
"S' 22 
//A ■ Ajf 
/goof 0/7 
■ 
y f 
, 
^ /c/ y 
3 • j/J 
2 '34057 
'./t; y% 
* 
707/ 
2 
4 
/ 
u> 
J 
