Table 58. 



DETERMINATION OF HEIGHTS BY THE BAROMETER. 



METRIC MEASURES. 

 Temperature correction factor, a = .00367 0. 



Multiply approximate altitudes, determined from table 56 or 57, by values of a corresponding to 

 mean temperature, 0, of air column. Add, if is above 0° C; subtract, if below 0° C. 



Smithsonian Tables. 



146 



