Transactions Society Nai'al Architects and Marine En(/ineers. Vol. 21, JgiS- 



To illustrate paper on .."Resistance of Bilge Keels," 

 by Professor C. H. Peahody. Member of Council. 



Plate ig. 



2-5 3'0 3-5 4-0 



SCALE FOR SPEED- KNOTS. 



