Chapter XLII: =marine Engines.=

=Various Kinds of Marine Engines= 434 to 451
High pressure engines 434
Compound condensing engines 434, 435
Triple expansion engines 436
Donkey engines 442
Trunk engines 446
Oscillating engines 446
Geared engine 446
Compound engine of the steamship _Poplar_ 447, 450, 451
=Arrangement of Marine Engine Pumps= 436
=Boilers of Marine Engines, Arrangement of= 436, 437
=Various Parts of Marine Engines, etc.= 438 to 449
Valve for intermediate cylinder of triple expansion engines 438
Link motions for triple expansion engines 438
Auxiliary or by-pass valve 438, 439
Oiling apparatus 439, 440
Surface condensers 440
Circulating pumps 440
The snifting valve 440
The blow-through valve 440
Air pumps 441
The air chamber 441
Feed escape or feed relief valve 441
Bilge injections for marine engines 441, 442
Surface condensing, advantages of 442
Valves of the surface condensing engine 442
Case hardening 442
Link motion for marine engines 443
The separate expansion valve 443
Friction of slide valves 443
Double beat valves 443
The siphon 443
Steam lubricators 444
Marine engine valves that are worked by hand 444
Vacuum gauge 444
Condenser, to find the total pressure in the 444
Paddle wheels 444, 445
Screw propeller 445
The thrust bearing 445
Marine engine, the principal parts of 445
Lagging marine engines 446
Propeller cylinders 446
Fuel required 446
Freezing of pipes 446
Failure of engine to start, causes of 446, 447
Defective vacuum, causes of 447
Heating, causes of 447
Construction of a triple expansion engine 447 to 449