Proceedings of the Royal Physical Society. 
214 
*s]BOO aTqe 
“STROOD 9TQRHAO AA *S[BO9 A[QRUYIO AL “‘quesqy . -Y1OM ON ‘SoTeYS poy "PlAly [BOD aitqsy410 7 
. : . *S[ROO aTqQe 
S[BOD 9]QeYLOM S[VO9 B[QBHIO Ah 7U9SQ Vv “JOM ON * tl Bate eu “PPT [eop oirysvouey 
*yuesq Vy *S[VOI B[QUyIO AA “4Uasq VW : *saTBYS 4 “PIOLT [VOD eTBpyooaqeog 
Me ea : =! , *s[Boo aye “pat 
Riedl ae a ae. -YIOM ON ‘SETLYS Pay || [BoD earyspaoyejyg yynog 
"$1800 9[qvyIo *s[vO0d a]qvy1o *yuas Sie aa ie 
l [QB4TOM I [QBY1O.M yuesq UIy? YT sapeys poy a ae Doce 
“yuasq Vy “quasq V “yuasq Vy *s]ROO OTGBHLO MA "PPL [v09 Uva Jo ysalog 
, "s]VOO BTqUyIOM ~ ‘s]woo eT qe *s]BOO 9Tqe F ey ae 
: Oey {Saleg USP .oUyA,,  -YIOM,“Gueuusg Jomoy,, | -yrom, “yuvuneg roddy,, PIPMT T8200 OTP A THOS 
*s]800 9[QVyIOA ay : 
qua:qV “quesq Vy YIM ‘salsag Lv}Sqo A. oe ag sa ul gee a PPh 
pare saileg 
yooy mon 
gIqeyIOM YIIM ‘sat1eg 
UOSULIIVT PUL Yoo spey 
‘Sdaq UALSINNYS) U0 
SULASVA-1VOD uaMmoT 
“SUUNSVAJL-1TVO/) W1adary 
“SUlUMS NOLLISNVUY 
‘SUMASVAJY-1VOD Yada yy 
[VOD JOSIOMLOY pur [OJSTIg 
‘SaTaIY IVOO 
