Transactions Society Natvl Architects and Marine Ewjineers, Vol. 27. loi^. 



To illustrate f>aper on "A Substitute for the Aduiiralt 

 by E. I. Stevens. Jr., Esq., Member. 



Plate 45. 



\ Formula," 



tVolu^sof C or« token from Curvts on Fjqt*. ^"2. 



