specific Gravity, and comparative fVear of Gold. 101 
Table I. (continued.) 
Gold variously alloyed. 
Specific Gravity. 
car. grs. 
oz. 
dts. 
grs. 
Gold, 23 Sj 
- 
- 
0 
18 
10 1 
Copper 
~ 
- 
0 
1 
* 3 i | 
- - i 7 >° 39 - 
Lead 
- 
- 
0 
0 
oil 
Gold, 23 si 
Bismuth 
- 
- 
0 
O 
18 
1 
10 1 
14 j 
18,038. 
Gold, 23 si 
„ 
_ 
O 
18 
i° I 
Copper 
- 
- 
O 
1 
6 
- - 17,302. 
Bismuth 
- 
O 
0 
8 J 
Gold, 23 31- 
_ 
- 
O 
18 
10 1 
Copper 
- 
- 
O 
1 
io 
16,846. 
Bismuth 
- 
- 
O 
0 
4 J 
Gold, 23 si 
- 
G 
18 
io -i 
Copper 
- 
O 
1 
i 3 i 
16,780. 
Bismuth 
- 
- 
O 
0 
oil 
Gold, 23 31- 
- 
- 
O 
18 
1° -1 
Copper 
- 
- 
O 
1 
* 3 i 
“ - i 7 . 0 9 - 5 . 
Bismuth 
- 
- 
O 
0 
oil 
Gold, 23 si 
_ 
n 
O 
18 
10 ] 
- - 1 6,937. 
Zinc 
- 
- 
O 
1 
14 J 
Gold, 23 34- 
- 
- 
O 
18 
io 'i 
Zinc 
- 
- 
O 
0 
19 
- - 17 , ’7 5 - 
Copper 
- 
- 
O 
0 
*9 J 
Gold, 23 31 - 
_ 
_ 
O 
18 
io 1 
Copper 
Zinc 
- 
- 
O 
O 
1 
0 
s) 
17 , 402 .* 
The chief part of the zinc appeared to have been volatilized, 
