1878.] 



using the Balance with great delicacy, Sfc. 

 II. — June 13. — Determination of 1 Scale Division. 



21 



Eider on 

 beam. 



Extremities of 

 oscillations. 



Resting 

 point. 



Means of pre- 

 ceding and 

 succeeding 



resting points. 



Differences 

 due to R — L. 



L 



302-8 



299 -9 

 302-9 



301-37 



This is reject 

 much lower 

 ceeding. 



ed as it is so 

 than the suc- 



R 



321-8 



335-7 

 326 8 



330 -00 







L 



299-6 



308 -7 

 301 -0 



304-50 



330 -68 



26-18 



R 



322-9 



337 -5 

 327-6 



331 37 



305-10 



26-27 



L 



299 -5 



310 -9 

 301 5 



305 -70 



331 77 



26 -07 



R 



325 -2 

 337-1 



329-3 



332 17 



305 '90 



26-27 



L 



290-4 



319-4 

 295-2 



306 -10 







.-. mean R-L=26'20. 

 .'.1 division = '01252 milligramme. 



The weather was as unfavourable as on the previous day. 

 The weights were changed shortly before the commencement of 

 this series and the balance then worked so irregularly that for some 



