Transactions Society Naivl Architects and Marine Engineers, Vol. 27, 1919. 



Plate I o J 



To illustrate paper on "Standard Lubrication Oil System for Geared Turbines,' 

 by J. Emile Schmeltzer, Esq., Member, and B. G. Fcrnald, Esq.. Member. 



Encfosure (c) 

 BUREAU OF STEAM ENGINEERING STANDARDS. 



CLASS A.— THERMOMETER FITTINGS. 



NOTE:- CONNECTING PIECE 'a' TO BE COPPER PLATED, 

 0« MADE or COMPOSITION. 



CONTACT 

 SURFACE 



A37 



STRAIGHT STCM 



RCQULAR 90" ANGLE STEM. 



18 Threads 



4.37 c 





4- INCH SEPARABLE SOCKET. 



\ 



/-— —- ■ ■ -\ 



aO° SIDE ANGLE STEM. 



B-56 



NORRIS PETERS, INC. LITHO., WASHINGTON, C. 



