Transactions Society No-t'a! Architects and Marine Rnginccrs. J'ol. si. iqi^. 



Plate 123. 



To illustrate paper on "Electric Propulsion on the U. S. S. Jupiter," 

 by JJ'. L. R. Eniinet, Esq., Member. 



VVatf.r-Coolf.d Rheostat. 



/3 



I 



IP 



I. 



/^O £>000 





\ 



1- 



30 ^ SOOO-i^ 

 60^ 3000 ^ 



^■O /OOO 



a ff /O // /2 /3 /-^ /-7 /6 



Water Rates U. S. S. Jupiter— Conditions 190-Lu. Gaiige, 

 28.5-In. Vacuum^ No Siteriieat. 



