Uniform paddle-wheel revolution.—How may the speed of revolution of single crank paddle-wheels be made uniform? [II. 444].
Paddle-wheel construction.—What is the construction of a common paddle wheel? What is a radial paddle wheel? What is a feathering paddle wheel? [II. 445].
Disconnecting engine.—What is a disconnecting paddle engine? [II. 445].
Propeller thread.—Where is the thread of a screw propeller measured? [II. 445].
Propeller pitch.—What is the pitch of a propeller? [II. 445].
L. H. propeller.—What is a left-hand propeller? [II. 445].
Thrust bearing.—What is a thrust bearing? [II. 445].
Propeller fastening.—How are screw propellers fastened to their shafts? [II. 445].
Marine engine pipes.—What are the principal pipes of a marine engine and boiler? [II. 445].
Mud box.—What is a mud box? [II. 445].