Radius of eccentricity, 140-141.
Ratio of expansion, 191.
Reevaporation, 251-252.
Reducing mechanism, 176-183.
Relative positions of crank pin
and eccentric, 139.
Release, 142.

Rocker arm, how to adjust, 150.
Rules-

For ascertaining required size
of feed pump, 50-51.
For calculations in hydraulics,
83-86.

For finding piston speed of
pumps, 83-84.

For finding strength of solid
plate, 15.

For finding strength of rivets,
16

For finding strength of riveted
seams, 15.

For finding mean effective

pressure, 220-227-228.
For finding terminal pressure,
242.

For finding indicated horse
power, 228.

For safety valve calculations,
78-79.

For spacing braces, 23.

Safe working pressure, 15.
Safety Valve-

How to keep in good working
order, 80.
Problems,

78-79.

computation of,

U. S. marine rule for, 77.
Sensible heat, 99-101.
Shaking grates, 67-68.
Smoke prevention, 94-95.
Specific heat, 99.
Steam line, 209.

Strength of riveted seams, 15.
Strength of solid plate, 15.
Strength of rivets, 15.
Steam-

Consumption per H. P. per
hour, 198-236-238-242.
Clearance, 193.

Density of, 109.
Dry, 108.

Gaseous nature of, 107.

In its relation to the engine
109.

Efficiency of, 195–196.
Generation of, 106.

Method of testing dryness of
109-124.

Nature of, 107.