Transactions Society Naval Architects and Marine Encfincers, Vol. 2J, fpi^. 



Plate f7. 



To illustrate paper on "Period of Vibration of Steam Vessels,' 

 by William Gatcxvood, Esq., Member. 



■32 FT 28 



Ffct I 

 ■20 ■16 



-iZTT. -28 -24 -20 16 -12 ■OS -04 



