EXPLANATION OF THE PLATES. 
395 
7 in. x 1 
in. 
Brass tubes, diameter outside 
Distance of centres 
Diameter of cylinders 
Length of stroke 
Distance of centres 
Steam ports 
Diameter of pumps 
Diameter of wheels (2 pair coupled) 
Ditto wheels, one pair 
Distance of centres of coupled wheels 
Centre of axle from fire-box 
Diameter in middle 
Diameter of crank pin 
Length of ditto .... 
Diameter of inside bearings 
Length of ditto .... 
Diameter of outside bearings 
Length of ditto .... 
Diameter of plain axle, including coupled wheels 
Ditto where wheels are on 
Ditto outside bearing . 
Length of ditto 
Distance apart 
Springs’ length 
Breadth 
Depth 
Number of plates, 8. 
Plain axle for small wheels, diameter in middle 
Diameter where wheels are on 
Diameter of bearing 
Length of ditto . 
Length of frame (extreme) . 
Breadth of ditto 
Depth of ditto . 
Thickness .... 
For description of parts, see Plates LXV., LXVI., LXVII. a., and LXVII. b. 
Ft. 
0 
0 
1 
1 
2 
0 
4 
3 
4 
1 
0 
0 
0 
0 
two 2§ in., and two 0 
0 
0 
0 
0 
0 
0 
5 
2 
0 
0 
0 
0 
0 
0 
17 
6 
0 
0 
In. 
If 
H 
0 
6 
7 
H 
6 
6 
6 
H 
z± 
°8 
53 
°8 
Ql 
°2 
K3. 
°8 
AJL 
*2 
A3 
d 2 
K3. 
°8 
U 2 
ql. 
y 2 
2| 
H 
3-L 
d 2 
53 
°8 
3f 
7 
4