Fisher on the Variation of the Compass. 87 



REMARKS. 



By Walker's Compass, agreeing with the binnacle compasses, 

 and taken on the larboard gangway. 



Ditto. 



Ditto. 



By Kater's Compass. 



O Amplitude, by Walker's Compass. 



O Amplitude, by Kater's Compass. 



By Kater's Compass, taken between the starboard gangway 

 and Binnacle. Ship tolerably steady. 



Ditto Ditto. 



By Walker's Compass. Variation 20°.4r, by binnacle compasses. 

 By Walker's Compass. Ship unsteady. 



Ditto. 

 By Walker's Compass, on the larboard gangway. 



Ditto. 



Ditto. 



Ditto. 

 By Kater's Compass, over the companion. 



Ditto. 



The above six sets of observations were taken in Magdalena 

 Bay, Spitzbergen, where the variation on shore was about 

 24°.50' W. 



By Walker's Compass, On the larboard tack. 



Ditto, On the starboard tack. 



In both these observations the ship was steady, and horizon 



