478 



Coimhra Monthly Magnetic Determinations. [IMay 9, 



! Values of 



Total force. 



CO cl Cn >jO Cn Cs 

 O CO rj- p-i ri oo N 

 O >JD oo cq f"' i 

 CO CO -q- ^- 



b b b b b b j b 





t-^ VO ^ CO cl w 



w O CO On 



w CTs VO O CO rj- 



H p M _N _M M 



On O O O Oi O. 



CN 



>< 



C< OO CO Cn 



'O w-i M CO O ON 



O 11 w -> o 



p ON p p p p 

 <-o Vl- In U-) ij-i ij-i 



U-l 





 p 



S 

 5) 



s 



:.wco noo t^-^vot^ I-On hvO 



^ CO ^ ^ CJ 



-O.00 u-iw OnO cooo >OOQ 

 0>0 VOVO VOO VOVO 'OVD OVO 



00^ 

 vo 



"3 

 g 



^ . . . . . 

 ^ . . . . . 



<T 



E 









C3 



S » 

 p 3 



^ CO u-i O C) ^ 

 a CO Lo CO 



^0 c» O w 



^ w „ ^ 



Observations of Deflection and Vibration for absolute measure of H. F. 



•M« JO onjBA 



n d iJ-i O ^ 

 oo N oo 



On O CN ON On ON 

 ^ yo t1- ^ 



b b b b b b 



^! 



tn 



o 



ij 



WW Ti-vrNoooo cnOn r-^r^ oncn 

 oooo r^t^ r--.r^oooo '^■^ -^^q- 



ONCN CnCn cnOn OnO\ OnON On On 

 coco coco CO CO coco coco coco 



OO OO OO OO OO OO 



"o 2 



s 



S .2 

 o 



4-22982 

 4-22529 

 4-22972 

 4-23041 

 4-22968 

 4-22980 



'aJU^Biaduiax 



r^- <^ 00 M 0\ 00 

 On fl w K i/l 00 

 00 00 On 





^ ^ Tj- 00 ir^ 

 a w vo to 



^ w 

 ^ w uo ^ ^ 



SIX 



00 >J-iON>J-iw O'^t^c' t^O 

 00 CO OCNOOCNNOt^OO>-O^OW 



r^f^ ^co<^MD NOVO NOVO vD r~~. 

 ONCN 00 0\0n ONON OnON OnOn 

 On Cn U On On On On Cn _CN On On 



oocJs on 'cnoooo OOOO COOO oooo 



a 

 .2 



fi 



C4 ^ ^ On W-) 

 - w ^ b vb M fl b k In b k ij-> 

 ■t^-cocoii-i u-i^l-vncovnww 



^MOn c^cO woo OOt^ wOO WON 

 M CO w w c^ c» 



oM>j-i wvn win wiTN wu-i wvn 



'ajn:jr,j3duiaj^ 



t-^ w 00 w VO w 



do b On in vn vo 

 00 i-^ CN 



•saouT3:)STQ 



-uOco Oto Oco Oco 0^ Oto 





Q « 



- CO c^ ^ 

 a w ^ c< CO 



^ w . 



^ w 0-) 10 ^ 

 w w cl M 



