P P EN D I X, 



MISCELLANEOUS OBSERVATIONS. 



Observations for determining the refradlion in high 



latitudes. 



TUNE the thirtieth, at midnight, the diftance of the 

 two oppofite horizons, taken by me with Ramfden's 

 fextant, was 179° 54'; the height of the eye being 

 fix teen feet above the level of the fea. 



Auguft the fifteenth, at midnight, by the aftro- 

 noralcal Quadrant, the altitude of the fun's 

 upper limb 4° 16' $s" lower limb 3" 46' o" 

 Error of the Quadrant — 32 - - — 32 



4 16 23 

 Semidiameter — 15 51 



App. Alt. Sun's 



center --4032 

 Co. Declin. -75 5^13 



App. Lat. - 79 56 45 

 True Lat. - 79 44 3 



Refradion -- 12 42 - - 1329 



By Dr. Bradley's tables 1118 - - 1227 



Allowingforthetherm.il 53 - - 13 z 



Baroraeter> 29,6 Thermometer, 37° 



5 Augud 



139 



