156 



Table 1 41 . 



DEW- 



The first column of this table gives the temperatures of the wet-bulb thermometer, and the top line the difference 

 the table. The dew-points were computed for a barometric pressure of 76 centimetres. When the barometer differs 

 and the resulting number added to or subtracted from the tabular number according as the barometer is below or 



Smithsonian Tables. 



