220 cook's VOYAGE TO , FEB. 



The longitude of the Observa- 

 tory in Ship Cove, by a mean of 

 103 sets of observations, each 

 set consisting of six or more 

 observed distances, was - - 174 25' 15" east. 



By the time-keeper, at Green- 

 wich rate, it was - - - - 175 26 30 



By ditto, at the Cape rate, it was 174 56 12 



Variation of the compass, being 

 the mean of six needles, ob- 

 served on board the ship - 12 40 easU 



By the same needles on shore, 



it was 13 53 O 



The dip of the south end, ob- 

 served on shore, was - - 63 42 



By a mean of the results of eleven days observ- 

 ations, the time-keeper was too slow for mean time, 

 on February 22. at noon, by ll h 50' 37", 396; and 

 she was found to be losing, on mean time, at the rate 

 of 2", 913 per day. From this rate the longitude 

 will be computed, till some other opportunity offers 

 to ascertain her rate anew. The astronomical clock, 

 with the same length of pendulum as at Greenwich, 

 was found to be losing on sidereal time 40", 239 per 

 day. 



It will not be amiss to mention, that the longitude, 

 by lunar observations, as above, differs only 6' 45" 

 from what Mr. Wales made it during my last voyage ; 

 his being so much more to the W., or 174 18" 30". 



The latitude of Ship Cove is 41 6" 0", as found by 

 Mr. Wales. 



