Description of an Improved Rain Gage. 329 
TaBLe 3. 
Corrected Corresponding ed weig ‘arresponding 
er ih altitude in oe Sater” a z altitude in 
es &e. | = grains payee ; 
25 2525 0.001 2525.250 - 0.10 
50.5050 - 0.002 5050.500 . 0.20 
75.7575 = = 0.003 7575.750 - 0.30 
101.0100 - 0.004 10101.000 - 0.40 
126.2625. - 0.005 12626.250 - 0.50 
151.5150 - 0.006 ° 15151.500 - 0.60 
176.7675 3 - 0.007 17676.750 0.70 
202.0200 - 0.008 02.000 - 0.80 
227.2725 - 0.009° 22727.250 - 0.90 
252.525 - 0.010 25252.500 - 1.00 
505.050 - 0.020 50505.000 - 2.00 
757.575 0.030 _75757.500 - 3.00 
1010.100 0.040 101010.000 - 4.00 
1262.625 0.050 126262.500 - 5.00 
1515.150 - 0.060 151515.000 - 6.00 
1767.675 - 0.070 176767.500 - 7.00 
- 0.080 202020.000 8.00 
2272.725 - 0.090 227272.500 - 9.00 
252525.000 - 10.00 
An nope shewing the use of the tables. 
the weight of the water in the gage, corrected 
by subtracting the Weight of the to be 201b. 53 oun- 
pode whe ee de has the height’ or number of inches 
}. From Table 2. { 1b. pe se ai sii at = 14000 
Ib. oz. 
1750 
20 51 = 1 do. = 437.5 
2 do. = 218.75 
The sum = the weight in grs. 142406.25 
Lt. Vil ~* o.%: 
