_Windmills_, their theory, construction, and application.
_Water Wheels_. Theory, construction, application, testing, and
comparison of principal types.
_Air, Gas, and Electric Engines_, similarly treated.
STEAM ENGINES.--Classification. [Marine (merchant) Engine assumed as
representative type.] Theory. Construction, including general design,
form and proportion of details.
_Boilers_ similarly considered. Estimates of _cost_.
_Comparison_ of principal types of Engines and Boilers. Management and
repairing. Testing and recording performance.