[ 687 ] 
Table, {hewing the equation to be applied to the obferved height of quickfilver in the barometer, from 15 to 31 inches; and for differences of 
temperature extending to 10 2 ° of Fahrenheit : whereby the column is reduced to the height it would have flood at in the .temperature of 32 0 . 
Oblerved I 
height of Condenfation below 32 0 ; Equation to be added to the 
quickfil- height of the quickfilver in the barometer, 
Expanfion above 32 0 ; Equation to be fubtraaed from the height of the quickfilver in the Barometer. 
Barom. 
o° 
Diff. 
12° 
Diff. 
22° 
32" 
42° 
Diff. 
52° 
Diff. 
62° 
Diff 
72 0 
Diff. 
82° 
Diff. ' 
|92° 
Diff. 
102° 
31 
.1136 
1 
.0432 
.0704 
1 
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1 
0 
•0344 
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.0683 
•0334 
.1017 
.0328 
• r 345 
.0324 
.1669 
1 
.0317 
.1986 
.0311 
.2297 
3°1 
.1118 
.0425 
.0693 
•0349 
•0344 
CO 
•°339 
■*>333 
.0672 
.0328 
.1000 
.0323 
■1323 
• Q 3 r 9 
.1642 
.0312 
•1954 
.0306 
.2260 
30 
.1099 
.0418 
.0681 
•0343 
•033 8 
"Z • 
0333 
.0328 
.0661 
■0323 
.0984 
.0318 
.1302 
■ 0 3C4 
.1616 
.0306 
.1922 
.0301 
.2223 
29l 
.1081 
.o 4 u 
.0670 
•0338 
•0332 
3 
.0327 
•0323 
.0650 
.0318 
.0968 
.0312 
.1280 
.0309 
.1589 
.030 1 
. 1890 
.0296 
.2186 
29 
.1063 
.0405 
.0658 
•0331 
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0 . 
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.0322 
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.0639 
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.0951 
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d 
.0291 
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.0286 
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28 
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27 
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.0289 
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SECTION 
