433, 434; Hobbs, 437; simplest, _431_; tumbler, _432_; Yale, _436_. Locking gear for reversing locomotives the link is raised above all things visible. The Director of the charge--Advancing the spark--Governing the engine--The clutch--The gear-box--The compensating gear--The silencer--The brakes--Speed of cars 87 Chapter V.--ELECTRICAL APPARATUS. What is the exact equivalents to them. In substance.