56 TROWBRIDGE— THE ETHER DRIFT. [April 22, 



white heat and getting rid of energy at the rate of about one half 

 a horse power. 



In conchision I would say that we confidently expect to be able 

 to reduce the irregularities due to, as yet, uncontrolled temperature 

 fluctuations — these now amount to about 8 times the effect we seek 

 — two years ago they amounted to i,cx)o times this effect. 



