Viahev on the Variation of the Compass. 91 



By Kater's Compass, (No. 1.) The compass was placed nearly 

 a-midships, at a sufficient distance from the binnacle com- 

 passes, to prevent attraction. Weather very fine, and ship 

 immoveable in ice. 



By Kater's Compass, (No. 2.) On the ice at the same time 

 with the above. 



DittOj 



By Walker's Compass. Ditto. 



By Kater's Compass, (No. 1 .) The compass was placed on the 

 companion in mid-ships. 



By Kater's Compass, (No. 2.) On the ice at the same time. 



By Walker's Compass. Taken on the starboard gangway, and 

 agreeing with the binnacle compasses. 



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

 head by the azimuth compass N. 18°. E. ; variation by the 

 binnacle compasses 2l°.4r W., being a difference of no less 

 than 18°. from the different situation of the compasses. 



