TABLE 135. 



REDUCTION OF BAROMETER TO STANDARD GRAVITY.* 



Reduction to Latitude 45 . English Scale. 



N. B. From latitude o" (o 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 



