Bull. U. S. F. C. 1896. (To face page 275.) 
List of the weights of the main engines. 
Pounds. 
2,738 
. 12,010 
. 14,820 
. 15,412 
2 "pinch-wlieels ” (couplings) 3,210 
■ 3,270 
1,568 
1 double air-pump and bed 2,750 
4 steam-chests 2,520 
4 steam-chest covers 2, 084 
10 eccentrics 
Cast iron : 
2 condenser covers 
1 condenser 
4 cylindei-s 
1 hed-plate , 
kgmes. 
‘ crank-wheels ” (couplings) . 
4 slide-valves . 
4 line-shaft couplings. 
12 thrust-collars. 
4 cylinder-heads . 
1,188 
4 pistons 1,586 
2,130 
2,260 
2,509 
2 stern-bearings 4,897 
2 thrust-bearings 2, 055 
2 throttle-valve chambers 448 
2 screw propellers 8, 076 
2stern-pipes 1,376 
Bronze castings: 
4 tube sheets (condenser) 4, 098 
2 stern-busliings 257 
2 shaft bushings 663 
2 air-pump plungers 1 , 030 
6 link-blocks 101 
Phosphor bronze castings: 
6 lower boxes for crank-shaft. 836 
Iron forgings: 
2 shafts 19, 043 
4 hangers 5, 480 
4 connecting-rods 2, 266 
4 straps, gibs, and keys 
4 double-cranks 
4 crank-pins 
4 coupling-pins 
6 valve-stems 
5 links 
Air-pump connections 
Levers and arms 
Guides 
12 eccentric rods 1,202 
4 “ cylinder braces ” (struts) 
Link connections 
Steel forgings; 4 piston-rods 
Brass tubes: 2,400 drawn-brass con- 
denser-tubes 
Copper pipe: Steam, feed, and blow 
pipes 
Reversing gear; 2 steam cylinders, 
valves, guides, rods, arms, etc .... 
Circulating-pump: 1 Davidson light- 
service pump. No. 26 
Additional weights; 
Floor-plates, flanges, cast-iron ex- 
haust-pipes, bolts, nuts, etc., used 
in fitting up 48,017 
No. 5 Davidson ptunp 
No. 5 Davidson light-service pump. 
No. 2 Davidson high-pressure pump 
No. 1 Davidson high-pressure pump 
No. 1 Davidson high-pressure pump 
Total 203, 284 
inches . . 
1 
pistons, 
4.5 
pistons, 
3.75 
plunger, 
16 
inches . . 
13.5 
r stroke. 
2, 814. 84 
inclies. . 
4.5 
. do 
13.5 
'r stroke 
214. 7 
.:ulating- 
inches. . 
14 
^-pump, 
0 
ip, cubic 
152.3 
B'-punip, 
16 
»-pump, 
2 
?-pump, 
199.49 
inches . . 
14 
tr piston 
1:1. .308 
2,;394 
. inch . . 
.625 
inches . . 
60 
4 . feet. . 
2, 142 
pine.... 
3 
nches . . 
7 
. do 
8.5 
. do 
8.5 
do 
8.5 
do 
10 
do 
1 . 3.5 
Ft. In. 
5S 
71 
9 
3 
u 
3i 
5 
