Transactions Society Xa7-al Architects and Marine Engineers, I'ol. 27. W9. 



Plate (>4 



To ilinstratc paf>cr on "The Application of Standardization and Graphical Methods to the 

 Design of Cylindrical Return Tubtilar Boilers," by Henry C. E. Meyer, Esq.. Member. 



NOBBIS PETEHS, INC.. LITMO.. WASHINGTON. D. C. 



