DIURNAL VARIATION OF MAGNETIC DECLINATION AT MAKERSTOUN 1845-1846. 
Trans. Roy. Soc lidin Vol. XIX, Farvil, PlateT. 
AM 
5 5 5 
Sy = ase 1630 naa Wace Ian s X 
MBESLCRSES Ae mae 
a a mbes at a es Sy — 
Eee a r 
af Peale) Gla NSIS \ Niwieas a 
(is SS ml TI 
EEE eee | 
el aS ie Sie. i | 
q SS 
| 2 ee alle i “ 
sh fp fp ) { L — 
bs +f —+— St 1; / 
ass / 
| | BY / 
%— a + A —— 
x 1s ake A 
fete alee 
ate 1S 
tS 
SRR Ne 
BRE 
3 +++ \ 
s|- {4 \ 
S) iz f t 
ere —-b- 4 
2 minutes. 
Seale, 1 Div. 
—— _ Meam of all. Mean. of undisturbed. days. 
Positive Ordinates indicate increasing Westerly Declination. 
Shy Geo Aikman 
a 
