572 EXPEDITION TO POINT BAKEOW, ALASKA. 



Observations to determine the moment of mans of the long magnet L,,, &c. Contiuued. 



[Date Jane 11, 1881. Station. Washington, D. C. Instrument, No. 11. Magnct,L,,. Mass ring suspended. Chronunirii r, 1*. 

 Walther'H No. 2780 ; daily rate, 236'.4, gaining on mean time. Observer, M. Smith.] 



[Date, June 11, 1SS1. Station, Washington, D. C. Instrument, No. 11. Magnet, L,,. Chronometer, P. Walther's No. 2780 ; daily 



rate, 286'.4, gaining on mean time. Observer, M. Smith. ] 



