THE PROPELLING MACHINERY OF A SHIP

Paddle v. Screw.

Working Pressure of Engines and Boilers.

The Scotch Boiler.

The Water-tube Boiler.

Forced Draught.

The Quadruple-expansion Engine.

The Course of the Steam.

The Condenser.

Reversing Engine, etc.

Paddle Engines.

Oscillating Engines.

Diagonal Direct-acting Engines.

The Marine Steam Turbine.

Curtis, Rateau, and Zoelly Turbines.

History of the Parsons Marine Turbine.

Principle of the Parsons Turbine.

Expansion of Steam.

Triple and Quadruple Screw Turbine Vessles.

“Lusitania's” and “Mauretania's” Turbines.

Turbine Rotors and Casings.

The “Mauretania's” Boilers.

The Funnels.

Combination of Piston Engines and Turbine.

The “Otaki.”

Increased Speed resulting from the Combination.

The Triple-screw Atlantic Liner “Laurentic.”

Internal combustion Engines.

Motor Torpedo Launch “Dragonfly.”