Fisher on the Vuruitio)! of the Compass. 97 



REMARKS. 



By Walker's Compass, at the Observatory, Dane's Island. 



Ditto. 



Ditto. 



By Walker's Compass, taken on the larboard gangway. Vari- 

 ation by binnacle 20° W. 



By Walker's Compass, taken on the larboard gangway. Vari- 

 ation by binnacle 26°.9' W. Ship had much motion, heavy 

 sea. 



By Walker's Compass, taken on the starboard gangway. Va- 

 riation by Binnacle Compass 20°.37'. 



By Walker's Compass, on the larboard gangway. Variation 

 by Binnacle Compass 18°.43' W. 



Ditto, Variation by Binnacle Compass 18°.3' W. 

 By Walker's Compass. Variation by Binnacle - - - 18.44 W 



Ditto Ditto 17.23 



By Kater's Compass, (No. 2.) Ditto 23, 2 



Ditto (No. 1.) Ditto 20.19 



Mean - - - 19.52 W. 



From these observations it appears there was no less than 

 19° difference between the compasses when placed on the lar- 

 board gangway, and the binnacle compasses. — Weather fine 

 and favourable for observation. 



O's Amplitude by Walker's Compass, taken on the larboard 

 gangway. Variation by binnacle 2(j°.2' W. 



By Walker's Compass on the starboard gangway. Ship's 

 head by azimuth compass E.S.E. 



By Walker's Compass on the larboard gangway. Variation by 

 binnacle compass 23° W, 

 Vol,. IX. H 



