Transactions Society Nin'al Architects and Marine Emjinccrs, Vol. 2j, /p/5. 



Plate .?. 



To illustrate paper on ".lerodynaiiiical Experiments upon a Yacht's Mainsail," 



by Professor H. A. Everett, Member. 



< 



< 



o 



a 

 < 

 z 

 > 



a 



< 



< 



OS 



u 

 2; 

 ui 

 O 



