Transactions Society Nai'al Architects and Marine Engineers, Vol. 2^, 79/5. 



Plate I 



To illustrate paper on "Aerodynamical Experiments upon a Yacht's Mainsail' 

 by Professor H. A. Everett, Member. 



MOOLL MAINSAIL TSSrSD 



TH£ No^mis FErejTi co , WAsmii 



