532 



(19 West.) 



Report of Magnetical Observations at 



Table I. Hourly Means of Declination, at the Falmouth 



on five selected quiet Days in 



Summer. 



* Mean of four days, 7th, 13th, 28th, and 29th. f Mean of four days, 4th, 5th, 21st, and 22u 

 J Mean of four days, llth, 16th, 22nd, and 23rd. Mean of four days, 2nd, 10th, 17th, and 2 



Table II. Solar Diurnal Range of the Falmouth 



NOTE. When the sign is + the magnet 



