Traiisaclions Society Wfiv! Arch.Unts and Marine F.)ui!iu\'ys. I'ol. ?'/, iQig. 



Plate S9 



To illustrate paper on "The Application of Standardization and Graphical Methods to thi 

 Design of Cylindrical Return Tubular Hollers." by Henry C. E. Meya-. Esq.. Member. 



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



