Transactions Society Naval Architects and Marine Engineers, Vol. 30, 1922. Plate 3 
To illustrate paper on “Automatic Steering,” by Elmer A. S perry, E. D., Member. 
| ; 
: ie LNG VEBOEL mrt Panos 
a Md 
(IE a 4 
i taguee 4 
z z 5 i 
in IL 
Bet 
") Ci 
Sst 
“PEED +193 
i | I 
rted af Wndes | cH 
a I = 
ce ae 
| OE H 
serene He A 
Fa 
coenee ee ial vin ae 
Eh Is San 
Pe is gaze 
aaa : A 
| , 
FE i ‘ 
ro | = 
COE a Et i 
| LT 4 a3 ] 4 
[ea aE ar IL ral 
(SUnSSEGGGGne: Soe aae 
oe el Ea | t - 
Figs. 4 and 5. - Records of automatic steering of the tanker John'D, 
Archbold, the curve at right being loaded, displace- 
ment about 32,000 tons, the curve at left, while light 
or in ballast, displacement about 12,000 tons, 
