Trmisailivus Soctclx Na-;il Archilrcis ami Miiriii.' liiijiincfrs, f/iil. »,-, wig. 



To illustrate paper on "Neiv Devctohments in High Vacuitni .Ipparatus' 

 /ry^xr ^y Q I £ Kothny. Esq.. Member. 



Plate 79 



3- ti./y£- -*7S>f>V 





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Tyuexyyaf^^r" M^f.e 





Air ejector installation for marine turbine 

 Borfaoe condenser. 



NoHRisr'eiEfli. INC L>tho *aihiii6ioh DC. 



