on the Distribution of the Magnetic Intensity. 

 OBSERVATIONS AT CANAAN COTTAGE, near Edinburgh. 



15 



The following Observations were made at Canaan Cottage, in the centre of a Field belong- 

 ing to Mr ADIE, where no suspicion of error caused by the presence of iron can be presumed. 



CYLINDER, No. I. First Arc 20. 



CYLINDER, No. I. First Arc 20. 



CYLINDER, No. I. First Arc 20. 



CYLINDER, No. I. First Arc 20. 



