Table 1 35. 



REDUCTION OF BAROMETER TO STANDARD GRAVITY.^ 



Reduction to Latitude 45^. — English Scale. 



N. B. From latitude o° to 44° the correction is to be subtracted. 

 From latitude 90° to 46° the correction is to be added. 



Smithsonian Tables. 



* " Smithsonian Meteorological Tables," p. 58. 

 122 



