[jackson] 



MAGNETIC OBSERVATIONS 



11 



TABLE I. 

 Magnetic Secular Variation. 



Declination. 



Inclination. 



Port Burwell 



Port Burwell 



Ashe Inlet 



Ashe Inlet 



Stupart Bay 



Nottingham Island 

 Port Laperriere . . . . 

 Marble Island* . . . . 



Churchill 



York Factory 



Horizontal Force. 

 Expressed in C.G.S. units. 



Port Burwell 1909 



Ashe Inlet 1909 



Stupart Bay 1885 



Nottingham Island. . . 



Churchill 



York Factory 



+ 0-00073 

 + 0-00009 

 + 0-00017 

 + 0-00030 

 + 0-00008 

 + 000007 



* Inclination for Marble Island for 1884-6 was published as +84° 20' but this 

 is probably a typographical error and the value should be +87° 20' as used for 

 determining the secular variation. 



