616 



EXPEDITION TO POINT BAEltOW, ALASKA. 



Magnetic observations at Uglaamie, Alaska, 



[Date, December 17, 1881. Gottingen time. 



ottingen time. Instrument, theodolite magnetometer No. 11. Magnet L,,. Chronometer, Bond 

 Ho. 188 ; daily rate, 1-.5, gaining on mean time. Observer, M. Smith.] 



* This value deduced from observations of oscillations at widely different temperatures was adopted as producing the best 

 agreement in the value of m when reduced to a standard temperature. 



[Date, December 18, 1881. Gottingen time. Instrument, theodolite magnetometer No. li. Magnet L,,. Chronometer, Bond 

 No. 188 ; daily rate 1'.5, gaining on mean time. Observer, M. Smith.] 



