NO. 6.] 



ALTITUDES MEASURED WITH THE ALTAZIMUTHS. 



17 



') Watch ass. 9">. 

 motion, level unsteady. 



2 ) Ice somewhat unsteady during the first two observations. B ) Ice in 

 4 ) Star. ass. to the S Cass. 6 ) First microscope ass. 9' instead of 10' 



