Extra Observations of Magnetometers, March 2, 1844. 



105 



March 2d 8h SOm. Clock 30b slow ; set right. March 2d 9h ISm. The vibration of the declination magnet eaddenly checked- 



March 2d lOh. Clock 3fl fast. March 2d 10^ 44m— 59ai. The bifilar magnet vibrating ^0 to 30 divisiona. 



March 2d Uh Om, The observation of the declination was taken ISa after the Om. 



March 2d I2h Om. The declination matrnet commenced to vibrate about IS*. 12t" Om — 10m. The bifilar magnet vibrating about 15 divisions. 



* See notes on the Aurora Borealis, after the Extra Observations of Magnetometers- 



MAG. AND MET. OBS. 1844. 



2d 



