Transactions Society Naval Architects and ^larinc Engineers, Vol. 2-j. igip. 



To illustrate paper on "Nezv Devclofmciifs in High Vacuum Apparatus,' 

 by G. L. E. Kothny, Esq., Member. 



Plate 76 



Meffi/c/yo/y 



j^/str/M/ssffe" 



Cross section thTough LeBlano Air Elector. 



NORRIS PETERS. INC.. LITHO.. WASHINGTON. D. C. 



