222 Rev. S. Haughton. On some [Mar. 11, 



III. 





W — 



5-87 lbs. 



(December, 1876.) 





t 



n. 



t. 



n. 



t. 



11. 



0-50 sec. . 



... 60 



0*66 sec. 



69 



1-00 sec. 



. .. 57 





... 59 



a 



.... 71 



55 



.. 57 





. .. 55 



a 



.... 78 



5 5 



. .. 57 





... 61 





.... 71 



55 



. . . Utc 



a 



... 57 



55 



.... 70 



55 



60 



Mean. 



. . . 58-4 





71-8 





59-0 



Discussing these experiments 



as before, we obtain : — 











BA 









2(A)' 







1-50 





5 74 



per cent. 







1 -45 





5-30 









1 -41 





5 10 



a 







1 -40 





5-03 



1 5 







1 -39 





5-02 



55 







1 -38 





5-16 



55 





• 



1 -35 





5'43 



55 







1 -30 





5-92 



55 







1 -25 





6-44 



55 







1 -20 





6-94 



55 





Hence we 



obtain the constants 











A=182-2, /8= 



1-395, r=0-716 sec. 











IV. 









w- 



=2-62 lbs. 



(January, 1877.) 





t. 



n. 



t. 



1%. 



t. 



iii. 



0-50 sec. . 



. . 140 



0'55 sec. 



.... 260 



- 66 sec. . . . 





a ' ' 



.. 160 



57 



.... 424 



55 • • • 





a ' ' 



. . 204 



1 1 



.... 528 



55 • • * 





n • • 



. . 174 



11 



.... 762 



55 ' " * 



260 





.. 208 



11 



.... 827 



11 ' • • 



. 227 



a • • 



. . 234 



11 



382 



11 • • • 



. 216 



a • • 



. . 227 



11 



.... 382 



55 * • ' 



. 268 



a ' ' 



.. 455 





.... 467 





. 569 



a • ' 



. . 411 



11 



.... 1072 



,, . . . 



. 393 



a • ' 



. . 507 



1 5 



.... 411 



,, . . . 



. 254 



Mean . . 



.. 271-8 





551-5 





283-6 



