396 



Colonel Beaufoy's Magnetical 



[May, 



Article XIX. 



Magnetical and Meteorological Observations. 

 By Col. Beaufoy, F.R.S. 



Bushey Heath, near Stanmore. 



Latitude 51° 37' 42" North. Longitude west in time V 20-7' 



Magnetical Observations, 1818. — Variation West. 



This month was remarkable for the violence of the wind and 

 the unsettled state of the magnetic needle, which most days 

 vibrated some minutes ; on the 17th the oscillation amounted to 

 22' 50". Rain, by the pluviameter, between noon on March 1, 

 and on April 1, 2-330 inches. Evaporation, during the same 

 period, 2*57 inches. 



