Os th& spectfic Gravities of Bodks.
pump water, which is generally made a standard for comparing ali theothers hy.
In conltructing tables of specific gravities with accuracy, the gravityof water must be reprefented by unity or i.ooo, where three cyphersare added, to give room for expresiing the ratios of other gravities indecimal parts, as in the preceding and following table.
The Table concluded.
Troy weight.
Avoirdup.
Compa-
A cubic inch of
—
rative
oz.
pw.
g r -
oz.
drams.
weight.
White marble — >—
i
8
i3-4i
1
9.06
2.707
Black dicto
i
8
12.65
1
9.02
2.704
Rock crystal — -
r
8
1.00
1
8.61
2.658
Green glass — ——
i
7
IL.Z8
1
8.26
2.620
Cornelian Itone — —
i
7
1.21
1
7-73
2.568
Flint ——. -
i
6
19.63
I
7-53
2.542
Hard paving stone —
i
5
22.87
1
6.77
2.460
Live sulphur -
i
i
2.40
1
2.52
2.000
Nitrp -- -
i
o
1.08
1
i-59
1.900
Alabaster ——- -
o
l9
18.74
1
i-35
1.875
Dry ivory — —
o
19
6.09
1
0.89
1.825
Brimstone - -
o
18
23.76
1
0.66
1.800
Alum - --
o
i7
21.92
0
15-72
1-714
Ebony — -
o
n
18.82
0
10.34
1.117
Human blood — —
o
11
2.89
0
9.76
1.054
Amber .— ——-
o
10
20.79
0
9-54
1.030
Cow*s milk — —
o
IO
20.79
0
9-54
1-030
Sea water — —
o
IO
20.79
0
9-54
1.030
Pump water — —
o
IO
13-30
0
9.26
1.000
Spring water — —
o
IO
12.94
0
9-25
0.999
Distilled water -- —
o
IO
11.42
0
9.20
0-993
Red wine -- ———
0
10
11.42
0
9.20
0-993
Oil of amber — —
o
IO
763
0
9.06
0.978
Proof spirits — ——-
o
9
19-73
0
8.62
0.931
Dry oak -—— . -—
o
9
18.00
0
8.56
0.925
Olive oil — —
o
9
15-17
0
8.45
o-9'3
Pure spirits —— —
o
9
3- 2 7
0
8.02
0.866
Spirit of Turpentine —
o
9
2.76
0
7.99
0.864
Oil of Turpentine -
o
8
8-53
0
7-33
0.772
Dry Crabtree —
0
8
1.69
0
7.08
0.765
Sassafras wood ——-—
0
5
2.04
0
4.46
0.482
Cork - —
0
2
12.77
0
2.21
0.240
O
Take