TERRESTRIAL MAGNETISM. 



TABLES 122, 123. 



TABLE 122. Values of the Magnetic Dip. 



This table gives for the epoch January i, 1885, the values of the magnetic dip, stated in first column, corresponding 

 to the longitudes given in the top line and the latitudes given in the body of the table. Thus, for longitude 95 

 and latitude 30 the dip was 59 on January i, 1885. The longitudes are west of Greenwich. For positions above 

 the division line in the table the dip was increasing, and for positions below that line decreasing, in 1885. 



TABLE 123. Secular Variation of the Magnetic Dip. 



Values of magnetic dip at stations given in the first column, and epochs, January i, of the years given in the top line. 



SMITHSONIAN TABLES. 



Ill 



