Transactions Society Naval Architects and Marine Engineers, Vol. 28, 1920. Plate 41 
To illustrate discussion by Elmer A. Sperry, Esq., on paper entitled “Comparative Tests of 
Bilge Keels and a Gyro-Stabilizer on a Model of the U. S. Aircraft Carrier Langley, 
by Commander William McEntee, Construction Corps, U. S. N., Member. 
aE) 
