DIURNAL VARIATIONS OF MAGNETIC DIP AT MAKERSTOUN 1843-1846. 
Trans. Roy. Soc. Edin. Vol XTX. PartIL Plate Iv. 
Mar:_ Apr. 
Sept. Feb. 
Mar:_ Aug. cS 
Year 
Dec._Feb. _ 
May, June _ 
Fuly, Aug. 
Sept._Nov. eee 
AM 
o 
Z 2 
Mean | 
— 
Negative Ordinates indicate increasing Dip. Scale, 1 Div, =O-4 minutes. 
~~ Mean of all. 
“. Mean of undisturbed days. 
Engi by Geodikman 
