34 



AKSEL S. STEEN. 



[2nd arc. EXP. FRAM 



Mean 0.007102 

 log C^L 7.85138 



0.003195 



0.01149 

 8.06032 



0.005046 

 7.70295 



THE TEMPERATURE OF THE MAGNETS. 



On first looking through the observations before me, I noticed the 

 remarkably high temperatures that had frequently been observed during 

 the vibration and deflection observations. I was also amazed at the 

 variations in temperature, which were often considerable, and appeared 

 chiefly at the transition from vibration to deflection observations, or 

 vice versa. 



To illustrate this, the following three instances are given, taken at 

 random from the series of observations. Under the heading t is entered 

 the mean temperature observed during a set of vibrations or a set of 

 deflections, read off from the thermometer of the vibration box, or from 

 that on the deflection rod; while under the heading "Fram", I have 

 placed the simultaneously-observed atmospheric temperatures on board 

 the Fram, which have kindly been furnished by Professor Mohn, who 

 has worked up the Expedition's meteorological observations. 



