Transactions Society .\'a7vl Archilcft:: and Marine P.nainccrs, I'ul. 2y, lOig. 



Plate 6 I 



To ilinstratc paper on "The Application of Standardisation and Graphical Methods to the 

 Design of Cylindrical Return Tubular Boilers;'. by Henry C. E. Meyer, Esq., Member. 



S39na..o«Hiw3M\i aoj aT«?s ""^t 



In 



NORRrS PeVERS, INC.. LITHO., WASHINGTON. D. C. 





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