Moloch of high pressure steam, than has ever occurred with low pressure steam during 
the whole progress of steam navigation, extending now almost to a period of 40 years, 
and in the course of which nearly 3000 steam vessels have been fitted out and suc 
cessfully worked. 
REFERENCES. 
a «, The steam nozle and valves* 
A, The cylinder. 
B B, The sway beams. 
C, The cross head. 
D, Main gudgeon. 
E E, The side rods. 
F, The fork head. 
G, The connecting rod. 
H H, The cranks. 
I I, The shafts. 
K K, The side frames. 
L L L, The condenser, hot well, and 
foundation plate, all cast in one piece. 
M, The air pump. 
N, The feed pump. 
0 0, The sleepers. 
P, The crank pins. 
b b, The eduction nozle and valves. 
c, The steam pipe. 
d, The throttle valve. 
e, Handle and rod of throttle valve. 
f Starting lever. 
g, Spill of steam valve. 
h, Spill of eduction valve. 
i i i i, Levers for working the 
valves. 
k, Rod to connect levers. 
11, Parallel motion. 
m, Snifting valves. 
n, Blow through valve. 
o, Eccentric rod. 
p, Eccentric beam and balance. 
DIMENSIONS. 
. 30 strokes. 
. 17 ft. 6 in. 
17 6 
3 4 
3 6 
80 tons. 
18 feet long, 14 feet 2 inches wide, and 7 feet high. 
9 ft. 2 in. 
15 inches. 
Speed of the engine 
Diameter of wheel. 
Diameter of the float 
Diameter of cylinder 
Length of stroke . 
Weight of engines (two) 
Dimensions of boiler 
Length of paddle board . 
Width of board 
Speed through still water 
This boat has run four times a day to and from Gravesend six months, making 
48,600 miles; a feat never equalled. 
Beats Red Rover 
13^ miles. 
Star . 
Mercury 
10 minutes. 
12 
27 „