EXPLANATION OF 
THE PLATES. 393 
3 D 
A, Base plate of engine and condenser. 
B, Steam cylinder. 
C, Column and hot well. 
D, Cut-off valve, and steam-pipe from 
boiler. 
E, Slide valve casing. 
F, Slide valve. 
G, Steam passages. 
H, Metallic piston. 
I, Passage to condenser. 
K, Condenser. 
L, Air-pump. 
M, Foot valve. 
N, Air-pump bucket. 
O, Discharge valve. 
P, Waste water-pipe. 
Q, Injection pipe and regulating valve. 
B, Force pump. 
S, Solid plunger of force-pump. 
T, Beam. 
U, Piston rod. 
V, Air-pump rod. 
W, Force-pump rod. 
X, Connecting rod. 
Y, Crank shaft. 
Z, Toothed fly-wheel, forming first mo 
tion wheel. 
o, Governor wheels. 
b, Governor. 
c, Wheels for working cut-off valve gear 
ing. 
d, Eccentric rod for working slide valve, 
c, Socket for the starting handle. 
f Vibrating shaft to work slide valve. 
g, Lever for counterbalance weight. 
h, Boot-leg for giving motion to the slide 
valve. 
i, Slide valve rod. 
k, K, Counterbalance weight of slide 
valve. 
l, Stud on small wheel for giving motion 
to the rod in. 
m, Rod for working cut-off valve. 
n, Vibrating shaft for ditto. 
a, Lever on shaft n for working cut-off 
valve. 
p, Rod with regulating screw, and levers 
for ditto. 
PLATES LX., LXI., LXII., and LXIII. 
TEN HORSE POWER ENGINE CONSTRUCTED BY W. FAIRBAIRN AND CO. 
Plate LX. 
LXI. 
LXII. 
LXIII. 
Fig. 1. Elevation of engine. 
2. Plan of ditto. 
3. Sectional plan. 
4. Cross sectional elevation. 
5. Sectional elevation. 
> 
The letters refer to the same parts 
in all the views. 
A, Engine base. 
B, Column or pillar, to support the end 
of crank shaft. 
C, Crank shaft. 
D, Fly wheel. 
E, First motion spur wheel.