LONGITUDE OF McGILL OBSERVATORY. 



12S 



Table IV. — Azimuth and Collimation. 



Date. 



1883. 

 June 2 



At Montreal. 



1 Position. 



L. W. 

 L. E. 



Total Total 



A-n>utb.l ,Coll._ 



— .080 



— .039 



— .068 



— .176 

 + .027 



— .092 



— .038 

 + .065 



I 



+ .010 



;■ + .096 



+ .4.54 



Date. 



1883. 

 June 20 



20 



21 



21 



At Cambridge. 



Position. 



CE. 

 C. W. 



Total 

 Azimuth. 



— .397 



— .446 



— ..526 



— .549 



— .077 

 + .104 



Total 

 Colli- 

 mation. 



.266 



1 



,1-— .200 



Î-— .255 



The signs attached to the collimation are 

 those which belona to L. W. and C. W. 



Table V. — Clock Corrections and Rates. 



