- 



rf H31S Th 



CURVKS OF KQTAI, MAGNETIC INCLINATION OK OIIV IBRD. 



Ma^m-ucal Results. Chai-t N'll 



Noit Th* ,-onUi,„oi<j lin« denorr thai the North teeking- ltd ■ ■' ">■• nxedlm •,< fotum downward* 

 The peeked, luiej .tenot* Ourt the Worth tceJdhg "ij of thr needle l» r.;;-ll.;l upward* 



