8 



Mr DUNLOP'S Account of Observations made in Scotland 



OBSERVATIONS IN CHRISTIANIA, continued. 

 CYLINDER, No. I. 



June 27. No. I. at 11 A. M. = 802-44 ) _ afl " Qct . 

 at 7 p. M. = 799-49 f = 



Daily variation z= 2-95 



Standard DOLLOND at 10^ A.M. 820-47 1 

 at 7i P.M. 817-86 f : 



Daily variation := 2-61 



Accordingly, the Reduction of No. I. to HANSTEEN'S Standard, which he has used in the ohservations 

 through Norway, Sweden, Denmark and Finland, and a part of Germany, is = ? = 1-02272, and the 



log. Red. = + 0-0097578. 



OBSERVATIONS AT MAKERSTOUN. 



The Experiments were made in the open air, about 60 yards from the Observatory. 

 CYLINDER, No. I. CYLINDER, No. I. 



