1878.] using the Balance with great delicacy, &c. 23 



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



Rider on 

 beam. 



Extremities of 

 oscillations. 



Resting point. 



Mean of pre- 

 ceding and 

 succeeding 



resting points. 



Differences 

 due to R — L. 



R 



301-3 



290-6 

 299-7 



295 -55 







L 



313-7 



328-7 

 318-1 



322 -30 



296-38 



25 -92 



R> 



293 -6 



300-4 

 294-5 



297 -22 



322 -47 



25-25 



. L 



311-0 



331-6 

 316 -4 



322 -65 



297-88 



21-77 



R 



281-6 



313-2 

 286 -2 



298 -55 



323 57 



25 -02 



L 



310-1 



335 -8 

 316 3 



324 -50 



298 -62 



25 -88 



R 



287 -8 



308-1 

 290-8 



298-7 







Mean R— L= 25*37 divisions. 



