ON THE MAGNETIC VERTICAL FORCE. 



63 



Table IV. — Differences from the Monthly Normals, 1842. 

 Western hour angles of the moon. 



! U. cul. 

 1842. 



1 



2 



3 



4 



5 



6 7 



8 



9 



10 



ll" 



January 



February 



•March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



—6 

 —3 

 + 5 

 +2 

 —5 

 +3 

 —2 

 +2 

 +3 

 

 —3 

 —1 





 

 +2 

 +2 

 +3 

 +5 

 —4 

 —2 

 —5 

 

 +1 

 —3 



—1 

 +5 

 +3 

 

 —3 

 +3 

 —3 

 +1 

 —2 

 —3 

 +1 

 +1 



—7 

 —6 

 

 

 +2 

 +2 

 +2 

 —4 

 —7 

 +4 

 —3 

 +4 



—6 

 +4 

 +2 

 —11 

 —3 

 —2 

 —6 

 

 —5 

 +1 

 +2 

 —4 



—5 

 —3 

 —4 

 —2 

 +4 

 +1 

 —2 



+1 

 —3 



—5 

 +2 

 +4 



+4 

 —9 

 —6 

 —5 





 +3 





 —3 

 +3 

 +4 

 +3 

 —1 



+8 



—11 



—6 



—3 





 —3 

 +2 

 —2 

 —1 

 —1 





 +1 



—3 

 +6 

 +4 



+s 



+8 

 +4 

 +1 

 —3 

 +1 

 +1 

 +4 



+ 9 

 +3 

 —1 

 —1 



—2 

 —7 

 +3 

 —1 

 +6 

 +4 

 —4 

 —1 



+4 

 +7 

 —5 

 +1 

 +3 

 +6 

 +7 

 +R 

 —4 

 —3 

 +2 

 —3 



+7 

 + 6 

 +5 

 —5 



—7 



+; 



—3 



+5 

 

 



+3 



Year 



—0.4 



—0.1 



+0.2 —1.1 



— 2.3 i —1.0 



—0.6 



—1.3 



+1.8 



+0.7 



+2.0 



+0.4 



Eastern hour angles. 



1842. 



L. cul. 

 



1 



2 



3 



4 



5 



6 



7 



8 



9 10 



ll" 



January 



February 



March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



+5 

 +6 

 —4 

 —3 

 +5 

 

 +2 

 +5 

 —6 

 —9 

 +3 

 +5 



+4 

 +1 

 +3 

 +4 

 +2 

 —6 

 +1 

 —3 

 ■^2 



+1 

 —1 

 —1 



—3 

 —2 



—4 

 —1 

 +6 

 

 +2 

 —1 

 —1 

 —4 

 —6 

 —2 



—1 

 +4 

 —3 



+6 

 —4 



—8 



+1 

 

 +2 

 —3 

 —2 

 —1 



—5 

 —3 

 —4 

 +3 





 +3 

 —3 

 +1 

 —1 





 —2 

 —1 



-3 



+3 



—6 



-+10 



—2 



—5 



—1 







—1 



—3 











—2 

 —1 



+2 

 +1 

 —2 

 —3 

 +1 

 +2 

 +2 

 +2 

 +2 

 



+3 



—7 

 —4 

 +4 



=J 

 —2 





 +9 

 +2 

 +2 







—4 

 —1 



+2 

 +1 

 —12 

 +3 

 —1 

 +2 

 +2 

 +2 

 +1 

 —5 



+4 



+9 



+2 







+8 



—5 











+12 



+2 



+3 



+1 





 —5 





 +6 

 —8 

 +3 

 —3 

 +7 

 +4 





 —1 

 —3 



—4 

 +3 

 +4 

 +2 

 +3 

 —5 

 —1 

 —3 

 —3 

 +2 

 

 —3 



Year 



+0.8 +0.2 



—1.3 



—0.8 



—1.0 



—0.7 +0.3 



—0.3 



—0.8 



+3.0 



0.0 



—0.4 



