s BAL UININ GAD AVENE ENING NAR REE 
Trans. Roy. Soe Edin. Vol, XTX. Lart IL Plate Vi. 
| 
West Mean East Declination West Mean East | 
Sale_Feol | | RPE Te | Fs Scale, [Dw OL =| ; 
| Sts USS 2 
edhe | LA st eee | 
i] 
ea 
[| 
| T 
ve 
fe th UO 
ma aT Seep fi ma | | 
March _ August | i \} : ata | oie ee La | oy c i Mean 
a. Mean of undisturbed days. 
== 
Eng! by Gea Aikman 
Scale, 1 Div.= 0-2 minutes. 
