lyaiisaclioiis Society Xazvl Archilccls ami Marine limjinccrs. Vol. 2J, 1919. 



Plate jS 



To illiisfratc /^af^cr on "Nc-iv Dcvclo pniciifs iit lliijli raciitnii .Ipparafiis/ 



by G. I.. Kofhiiy, Esq., Member. 





u 







