Hourly Obsekvations of Magnetometers, May 26 — 31, 1844. 



29 



Declination. Torsion removed,— May 28'' C", 0°— 29<' 23i', + 8i°. 

 Bifilar. Observed 2» after the Declination, «;=0-000140. Balance. 



Effect of + 10° of Torsion = - 0-'84. 

 Observed 3"" after the Declination, 4=0-0000085. 



t Extra Observations made. 



May 27'' ll', et seq. The declination slightly disturbed. 



May 28'! l' — 29'' S'. The magnet with short scale used in the declinometer. 



May 29'' 9'" + Deflecting bar vibrated in the declinometer box. 



MAG. AND MET. OBS. 18't4. 



