Skip to main content

CONTENTdm, along with all of OCLC's services, will be down approximately 15 hours for a system upgrade. This will occur from 9:00pm PST on Friday, January 2, to around noon on Saturday, January 3.


Filter car in operation. Short propeller hung about 18 inches below the surface. 1. trough with canvas lining for conducting incoming water; 2. floating shallow bag of scrim used in hatching certain fish eggs. The arrangement of shafts and gears shows well in the figure

small (250x250 max)
medium (500x500 max)
Large
Extra Large
large ( > 500x500)
Full Resolution
  •  
Loading content ...
you wish to report:


...
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK