130 



(18° + West.) 



Report of Magnetical Observations at 



Table L — -Hourly Means of Declination at the Falmouth 



on five selected quiet Days in 



Hours 



Mid. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



"Winter. 



1896. 





/ 











/ 





/ 









*Jan. .. 



49 -0 



49-4 



49-6 



49-6 



50-2 



50-2 



50-0 



49 -7 



49-2 



48 -7 



49-5 



511 



Feb. .. 



48 -5 



49-1 



49-2 



49-1 



49-1 



49-2 



49-1 



48-9 



48-5 



48-7 



49-2 



50-3 



March . 



48-9 



48-7 



48-9 



48-6 



48 '4 



48-4 



48-4 



48-0 



46-6 



45-8 



47 1 



48 -9 



Oct. .. 



43 *5 



43-5 



43'7 



43 -6 



43 6 



43 5 



43 -4 



42-6 



42-0 



41-9 



43-6 



46-0 



fNov. .. 



42-9 



42-9 



43 -3 



43-5 



43-9 



43-7 



43 -0 



43-0 



42 -7 



41 -9 



42-9 



44-1 



Dec. .. 



44-2 



44-6 



44-9 



45-0 



45-4 



45 *4 



45'1 



45-0 



44-9 



44-8 



44-9 



45-8 



Means 



46-2 



46*4 



46-6 



46-6 



46*8 



46-7 



46 -5 



46-2 



45-7 



45-3 



46-2 



47-7 1 



Summer. 





/ 





/ 



t 





r 









/ 



' 





April . . 



47-5 



47-9 



48 -1 



48 



47-6 



47-8 



46'5 



45-0 



43-8 



434 



44-7 



47-4 



May . . 



48-8 



4S '6 



48-5 



48-2 



47 -6 



46-7 



45-5 



44-7 



44-0 



44-4 



46-4 



48-4 I 



June .. 



45'9 



45*8 



45 3 



45-1 



44-7 



43-6 



42 3 



41-8 



42-1 



42 9 



44-5 



46'6 j 



July .. 



47'5 



47 '4 



47-2 



47-1 



46-6 



45-7 



44-5 



43'7 



43-8 



44'4 



46'5 



48-6 1 



Aug. .. 



46 -9 



46-9 



46-8 



46-5 



46-3 



45-6 



45-1 



44-3 



44-1 



44-6 



46-8 



49*5 



Sept. . . 



45-1 



45*2 



45-2 



4i-9 



44 -8 



44-2 



43 -5 



42-6 



41-3 



42 -0 



45-0 



48*2 



Means 



47 -0 



47-0 



46 -9 



46-6 



46-3 



45-6 



44-6 



43 7 



43 2 



43 -6 



45-7 



48-1 



t Mean of four days, 1st, 21st, 24th, 29th. f Mean of four days, 3rd, 22nd, 24th, 25th. 













Table II. — Solar Diurnal Bange of the Falmouth 



Hours 



Mid. 



1 



2 



1 



3 



! 4 



5 



6 



7 



1 » 



9 



1 



10 



; 













Summer mean. 

















/ 



1 



1 / 















1 , 









-0-7 



1-0-7 



-0-8 





-1-4 



-2 1 



-31 



-4-0 



-4-5 



-4-1 



-2-0 



+ 0-4 ; 



Winter mean. 













/ 



/ 





1 









, ! 





-1-1 



-0-9 



-0-7 



-0-7 



-0-5 



-0-6 



j — 0-8 



-1-1 



-1-6 



-2*0 



-11 



+o-4 ; 



Annual mean. 







1 , 





1 









1 ' 





! , 









-0-9 



1-0-8 



1 ' 



-0-8 



-0-9 



-1-0 



-1-4 



-2-0 



i-2-6 



-31 



i-3-l 



-1-6 



+ 0-4 1 



Note. — When the sign is + the magnet 



