﻿722 Mr. A. Bramley on Radiation. 



Also Vi 2 U=-/fy, 



prdOdrdz = p^dOydrdz, 



d6 = dO l s/l^W\ 



dT=dr x \/l-$\ 



Pl = ps /r-~p>; 



or 



W4>i — Pi=- Vi-/3 2 .p. 



But cp satisfies 



fa = Vl-/3 2 ^. 



dr 

 Assuming that — <1, and using Boussinesq's definition 



of an harmonic, 



Bjj ; = 1 Mi 

 ^ r \/l-/3 2 ' ^ r 

 B4> 1 30i 



Bs ' i/i_/3 2 ' Bs' 







B0 s/l-^'dO, 1- 



-/s 2 -a^- 





Moreover, 



E 2 = 



u e =^ 5 u r =u,=o. 



1 B<£, 







±>OW 



a/1-/3 2 B*' 







E,= 



1 B<£i 









E# = 



-^>4H> 









= 



-c|w)-'H' 









= 



« i /£*> . 1 \30 







Further 



H,= 



u fa 1J1 + /3 2 

 c 2 v/l_/3 2 rll-J3 2 



1BU, _3JJ __.B0. 



r B# 3r ' B^ 

 Br B* _U ' 





B<£, 



