456 



ANIMAL MECHANICS. 



Using these values I find the following comparison of 

 theory and observation : — 



No. t. — Dr. Haughton's Experiments. — {Time of holding Arm 

 horizontal). 



w. 



t (observed). 



t (calculated). 



Difference. 



o 



420 sees. 



427 sees. 



- 7 



I 





280 „ 



- 5 



2 



200 „ 



198 „ 



4 2 



3 



'47 » 



147 » 



0 



4-5 



101 „ 



9* » 



+ 3 



7 



62 „ 



61.4 „ 



+ 06 



ii 



33 » 



3 j . 6 „ 



+ 1.4 



14 



23 



23-3 » 



- o."3 



No. 2. — Dr. Hanghton's Experiments. — {Useful Effect). — 

 (Holding Arm horizontal). 



w. 



Useful Effect 

 observed. 



Useful Effect 

 calculated. 



Difference. 



0 



0 



0 



O 





275 



280 



-5 



2 



400 



395-5 



+ 4-5 



3 



44I 



441 



0 



<-5 



454-5 



454 



+ 05 



7 



434 



43° 



+ 4 





363 



366 



- 3 



14 



322 



326 



- 4 



The cubical hyperbola (130) is shown, drawn to scale in 

 Fig. (104); its asymptotes (129) being OX and OY\ and the 

 small circles as before denoting the actual observations. 



