290 Mr. R. H. M. Bosanquet on Self -regulating 



Hence 



n E / ' v V-V l\v \ x 



E 2 1 ]_ r 



l +: £ R(l+ r .) + 



p V p' 



r 



1+* 



R+rs' 



r 



^ v J \R + rs/ R + rs 



/ V \ 2(2-1) 



(n+-r) 



I will now assume the condition E = constant. We have 

 to eliminate r between this and the equation for p. The con- 

 stants of the machine will then be at disposal for determining 

 the governing relation. 



(1) We have 





rs 



^R-E 2 =r(— -p 8 y 



(2) Again, 



E" 



x-i w+ -r 



= Ksay = £_ 



J R + rs' 



(l\v) s 

 R4 



KR-n = r(--K*| 



K(R + rs) = n+-r, 

 P 



