50 
PACIFIC SCIENCE, Vol. XII, January, 1958 
TABLE 1 
List of Parts of Catcher, Designated in Figures 1 to 4 
section 
DESIGNATION 
PART 
FIGURES IN WHICH 
PART IS PRESENT 
1 
2 
3 
4 
Nosepiece 
A 
X 
X 
X 
a 
Boss 
X 
X 
a' 
Boss, after faring of 
X 
X 
a" 
Boss, supporting ring (Bronze) 
X 
X 
X 
a'" 
Boss, forward hole in 
X 
b 
Mouth 
X 
X 
X 
b' 
Mouth, chamber 
X 
c 
Valve 
X 
X 
c' 
Valve, bearing surface for 
X 
X 
c" 
Valve, radial supporting fins 
X 
X 
c'" 
Valve, detent pin and spring 
X 
X 
e 
Valve, chamber 
X 
d 
Spindle to valve 
X 
X 
d' 
Spindle, coiled closing spring 
X 
X 
d" 
Spindle, groove for detent pin 
X 
f 
Housing for detent pin and spring 
X 
Bodypiece 
B 
X 
X 
X 
X 
g 
Closing mechanism release arm 
X 
X 
X 
g' 
Closing mechanism release arm, attachment 
point 
X 
X 
h 
Net, (Stainless steel) 
X 
X 
X 
h' 
Net, stretcher ring for cod end 
X 
h" 
Net, plankton bucket 
X 
X 
X 
j 
Locking studs for bucket 
X 
X 
k 
Net frame, (struts of) 
X 
X 
X 
X 
k' 
Net frame, forward clamp rings 
X 
X 
k" 
Net frame, after clamp rings 
X 
X 
1 
Net frame, thrust ring 
X 
X 
1' 
Net frame, radial fins between thrust ring 
and struts 
X 
X 
m 
Thrust surface of tail 
X 
X 
— 
Towing brackets 
X 
X 
X 
X 
n 
Towing, vertical, forward 
X 
X 
X 
n' 
Towing, vertical, attachment area 
X 
o 
After, vertical bracket 
X 
X 
X 
o' 
After, vertical, attachment area 
X 
o" 
After remote messenger release point 
X 
X 
o'" 
After remote messenger release rod 
X 
P 
Horizontal towing bracket 
X 
X 
X 
q 
Depressor bracket 
X 
X 
— 
After bracket, wire-catch 
X 
X 
X 
r 
Wire-catch, slot for wire 
X 
r' 
Wire-catch, locking catch and spring 
X 
X 
X 
r" 
Wire-catch, rotating central spindle 
X 
X 
X 
Tailpiece 
C 
X 
X 
X 
s 
Depth-flow meter 
X 
X 
s' 
Depth-flow meter, runner mounting 
X 
X 
s" 
Depth-flow meter, revolution counter 
X 
X 
t 
Locking studs of tail 
X 
X 
Miscellaneous . . . 
u 
Loader 
X 
V 
Messenger 
X 
w 
Wire stop 
X 
X I 
X 
