on the Distribution of the Magnetic Intensity. 



33 



REDUCTION OF THE TAIN OBSERVATIONS, WITH CYLINDER, No. I. 



July 18. At 3 15 p. M. Reduced time of 300 vibrations Flat Needle =. 1062745 Log = 3-0264292 

 At 2 22 p. M. Reduced time of 300 vibrations No. I. = 832-195 Log = 2-9202252 



Log Reduction of the Flat Needle to No. I. = 



_ 0-1062040 



OBSERVATIONS AT DORNOCH. 



The Observations were made in the Garden at the Inn. 

 FLAT NEEDLE. First Arc 40. FLAT NEEDLE. First Arc 40. 



VOL. XII. PART I. 



E 



