Transactions Society Naval Architects and Marine Engineers. Vol. 21, 1913. 



To illustrate paper on "Resistance of Bilge Keels/ 



Plate 17. 



20 



40 



60 



80 



THC MORRIS PETCR!, CO. WASI 



100 110 140 160 180 



SCALE FOR REVOLUTIONS PER MINUTE. 



200 



210 



240 



160 



IB 



