NOTICES 



OF THE 



PEOCEEDINGS 



AT THE 



MEETINGS OF THE MEMBERS 



OP THE 



ROYAL INSTITUTION OF GREAT BRITAIN 



WITH 



ABSTKACTS OF THE DISCOUKSES 



DELIVERED AT 



THE EVENING MEETINGS 



VOLUME XXIII 



1920—1922 



LONDON 



PRINTED BY WILLIAM CLOWES AND SONS LIMITED 

 June 1924 



