259 
“Expansion. 4aaf ig a ity oy : pep gary ae ‘ 
=~ | _ Specific gravity Sistansion a Sp. 6 “a3 *g rae retaiea.| Fo* 1° 
ee: Ae "99680 G. $20 “$22 | .00321 .00326 |.00016 
Baht )| ‘99612 Kirwan. | 388 368 | .00389 ‘00372 |.00017 
~| 90] .99511 G.1790. | 489 509 | .00491 4 00513 |.00020 
' {100} .99313 G -| 687 711 | .00692 .00720 | .00024) 
102 | .99246 K. | 754 753 | .00760 .00763 | .00025| 
122 | .98757 K. 1243 1247 | .01258 .01264 |.00029) 
= 1128 De Lue. 00949 Achard. 
142 | .98199 K. {1801 1818 01833 .01859 |.00031 
162 | .97583 K. 417 2448 02481 02512 | .00034 
167 hes 520 De Luc. 
182 | .96900 K. 100 $109 | .0$198 .03219 |.0003 
96145 K. 855 3802 04005 .03961 |.00037 
12| .95848 K. 152 4140 | .04333 .04332 |.00038 
; De Luc, by comparison 
The formula from which Dr Young has calculated .f being the degrees of Fahrenheit’s thermometer, either 
the expansion in the ing Table, is -way from 39°. The diminution of specific gravity is éx- 
-* ,0000022f*—.00000000435/3, pressed by ' 
or more shortly 22/7 (1—.002/) inten millionth parts, , 0000022 /* —-.00000000472 5. 
Table shewing the Expansions of Acids, &c. 
For 1° of Fahrenheit. 
.00031 Achard. 
.00026 At 60° Kirwan. Irish Transactions. 
EXPANSION. 
Sulphurie aci 
i acide sp. gr. 1.7, I 
caeid, sp. gr. 1,84, .00021 At 55° Kirwan. 
_ ,00029 At 60° Kirwan. 
-00037 At 65° Kirwan. 
Muriatic acid, sp. gr.1.185, .00035 At 50° Kirwan. 
Nitrous acid, sp. gr. 1.43, .00037 At 53° Kirwan. 
—_——— .00055 At 60° Kirwan. 
.00070 at ha! Kirwan. 
irit of e, .00052 Acliard. 
nia SO, 0072 Achard 
’ Olive oit 0007 about 100° Achard. 
Table shewing the Expansion of Alcohol. 
~Coinparative Specific Gravity. 
. |) P By Obser- E the |For each 
vation. | By Formula. Unit at 32°. Degree. 
; 0° Fahrenheit. 1.0826 0° F.|~.0162 _ 00047 
10 1.0275 |12 |—.0105 .00050 
20 1.0222 | 32 .0000 .00054 
: 30 1.0169 | 1.0168 | 52 .0110 j.00057 
$5 1.0142 | 1.0141 .0132 Achard. 
40 1.0114 | 1.0114 | 72 J 00061 
45° 1.0087 | I. 4 2 0355 ,00065 
50 1.0068 | 1.0057 [112 .0489 00069 
Spirit” highly rectified, | 55 I.00zg9 | 1.0029 182 0633 0007 % 
specific gr. at 60°, 825, 60 1.0000 1.0000 ‘ he .0784 |.00078 
; 65 9971 | 9971 [172 | .0946 00083 
70 9942 | _ Ost 175 0971 
S/R? 9913 9912 | 
80 Gilpin, Phil| = 
a | Trans, 1794.| 9.882 |  .9882 
the 120 - ; + .9630 7 
et 140 : 4 9496 : 
{160 9858 - 
: sof. fi de tat) 9214 y shal 
