837 / 1042
H Y D R
o
S .T A T
e s,
The Table
CMe/l/dd.
Troy weight. . Avoirdup. Compa-
A eubie iDeh of
------ -----
rati\'e
oz. pw. gr.
I
oz. drams. weight.
--------------
White marble
---
1 8
Blaek ditto
---
--
1
8
Roek erynal
--
I
8
Green glaf!
-
---
1
7
CorneJian none
--
1
7
Flint
--
--
1 6
Hard paving noDe
---
1
5
Live fulphur
-
-
[
1
Nilre
-- --
[
O
Alabaner
-
---
o
19
Dry ivory
--
--
o
19
Brimnone
---
--
o
18
Aluro
-- --
o
17
Ebony
--
--
o
JI
Human blood
--
o
I[
Amber
---
---
o
10
Cow's milk
-
--
o 10
Sea waler
--
--
o
[O
Pump water
-
--
o
10
Sprin~
water
-
--
o
10
DiUilled waler
--
o
[O
Red wine
---
--
o
10
Oil of amber
--
o
10
Proof Ipirits
--
o
Dry oak
--
---
o
Olive oil
-- --
o
Pure fpirit!
-
---
o
Spiril of TurpenliDc
--
o
Oil of Turpenline
- -
o
Dry Crablree
--
o
Salfafras wood
-
-
o
Cork
-- --
O.
fpeeifie gravilies of all fom of bodies. yet Ihe hydio–
meler is ben fuited
10
find Ihofe of fluids iD particular,
bOlh as
10
eafe and expedilion.
This inUrumenl Ihould be made of c?pper, fince
jvory imbibes fpiriluou! liqour!, and Ihereby ahers
jI! gravily; and glaf! is apIlo break. The mon
bmple kind. ufed for findiog Ihe nreoglh of fpirit!,
coofin, of a copper-ball !lb Plale
101 .
(6g.
1. 0°
l.)
wilh a brafs wire, AB, { of an ioeh Ihiek, folder–
ed iOlo il. The upper part of Ihis ¡vire being fi led
Bal on one fide, is marked proof at
m,
beeaufe
11
fi nkl
exallly tO Ihis mark in proof-fpirils_ There are olher
IWO marks at A aod B,
10
fhew whelher Ihe liquor
be ";" above or b, low proof, aecordiog as Ihe hydro·
meler finks
10
A or emerges
10
B, when a brafs·weight
as C or K has beco fmwcd
00
at Ihe bOltom
c.
There
are alfo weighls
10
Le fertwed oo. fo, fhew ng the
f~e
cifie gravilies of fl \lids quite
10
eommoo walt'·. The
rouod par! uf Ihe wire .bove Ihe bdi, may be marked
fu
as
10
rcprefenl river wmr wheD il flOks
10
R
'117,
9
9
9
9
9
8
8
S
2
----
----
13'41 1 9.06
2.707
12.65
I
9.02
2.104
1.00
1 8.61
2.658
1
S.38
1 8.26
2.620
1.21
I
7·73
2.568
19.63
[
7-53
2.54 2
22.
8
7
[
6·71
2'4 60
2.40
[
2.)2
2.000
1.08
[
[·59
1.9
00
18·74
[
1.35
1. 875
6.09
[
0.89
1.82 5
23-7
6
[
0.66
1.800
21.9 2
o
15·72
1.7
1
4
18.82
o
[0·34
1.117
2.89
o
9.7 6
1.054
20·79
o
9-54
1.03?
20·79
o 9·54
1.030
20·79
o 9·54
1.030
I HO
o
9.
26
1.000
[2·94
o 9·25
0999
11'4 2
o
9.20
0·993
[ 1.42
O
9.20
0 993
7·63
o
9. 06
0·978
1973
o
8.62
093 1
18.00
o
8.56
0.9
2
5
15 17
o
8'45
0.9
1
3
3027
o
8.D2
0.866
2.7 6
o
799
0.864
8·53
o
7·33
0.772
1.69 o 7 08
07 65
2.04
o
4.46
0.482
12·77
o
2.2
I
0.240
(ibid.
0°2.)
Ihe wcigh! whieh GIS
I~e
innrumen!
roo
river·waler being fcrewed OA al
c :
alfo when pUl inlo
fpril'll-waler. mineral-waler. fca-waler, and waler of
falt-fprings, il will emer,ge or rife grad ually
10
Ihe
rnarks SP,
MI,
SE. SA; and,
00
the eonlrary, when
pUl iolO BriUol-waler, rain-waler. port-wine, and moun–
laio.\Vioe, il \ViII fuceellively fink
I~
Ihe marks,
b"
,a,
po, mo.
Anolher kind, whi ·h ferves
10
dinioguifh Ihe fpeei–
fie
diff~reocc5
of Buids
10
grea! oicety. confiUs of
¡
large hollowhall B.
(ihid.
nO3 ) wilh a fmaller ball
h
under il, partly fillcd wilh quiek fil m
~r
fmall filO!,
and fcrewed
00
10
Ihe lower pan of Ihe (ormer, in
order
10
render il bUI lillle fpec,fi Cdlly li¡¡hter Ihan
water : il has al(o a (mall filOrl oeek al C. imo \\'hich
is fcrewed the gradualeJ brafs-wire AC, whieh by il!
weighl eaufes the bcdy of Ihe iofu limen!
10
defeend in
Ihe fl uid. wilh
p~rt
of
t~e
fiemo
Whco litis inU,ument is f"imming in Ihe liquor.
(onlaincd in lhe lar
ILMK,
tf.e p.m of dte !Iuid dif–
placed