Transactions Socicl\ Naval Architects ami Marine Engineers, Vol. 2^. iqi^^. 



Plate 12. 



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

 by Professor H. A. Everett, Member. 



Ahale beTvvseh cenT^, ( i hk and booTi. 

 2 2 o • °o q o 



# 





X 



a 



V 



« 



J 

 

 



m V: '^ fti 



Di-iv-e o-p Sail in lbs, 



