DIURJJAL VARIATIONS OF THE TOT^VL MAGNETIC FORCE AT MAKERSTOIM 1843 1846 
Dec. ^ Feb. 
Mar.- Apr. 
Mcty, June i 
July, Aug. ; 
Sept.- Nov. - 
■5'ept.-Feb.\ 
Mar -Aug. 
Yecir 
AM 
AM 
12 J ^ J, J g 7 8 9 10 Jl O 1 2 3 4 3 6 7 8 9 JO M 12 1 2 .1 # J 
,.i 
J^o.sxUva OrdxnMtes indxcate^ TnjCfea.siju) TotaL Torce/. Scale.. 1 JJiv^C-OOOl; Total Tora* ^J. 
— -/^^ Meariy of alt. ■ Mean, of umtLstLirbcci days. 
o 10 11 O 
X^u^ hv Q€O.Ailijnaj> 
