PLATE IX. 
A. Elevation. 
B. Plan of Base showing how the Rubber Insertion is laid on. 
C. Open Cup. 
D. One-foot Pipe. 
EH. Two-foot Pipe. 
ff. Three-foot Pipe. 
To Gis bore Guides. | 
h. h. h. Supporting Hooks; H. H. H. Handles. 
Seale : one-tenth. 
(The Elevation shows the one-foot and two-foot Pipes standing in 
place, and the three-foot Pipe raised and hung up for the purpose of 
getting at the water-vessel.) 
