r 



r 



W* Rep(H Bnl Jssw 169C 



DECLINATION. 

 March aa^."! 1879. 



iS"'' Peierxburq 



DECLINATION. 



Mai'ch 29')' 1879 



tS*" Pelersburq, Jirw and- Viennn. curves. 



S>iUifrt*dti^liAIjr,ifn. 



IlUi.-ilniiifXff l^'ole-fsrr It' OrylAt Aiiani.t' Cnnuniinwutwn. 

 (hmpuruiorL of (iu-ves oC Uik Declinalioa. Maqnetetftrifih-i lU Ken. 

 Storufhur^t,. fhinibriLfLutivnj, iteruuL, nnd SP hUet'^sburi^.' 



