. The street railway review . - necessary to move the lever which has the effect ofpermitting the outside wheel of the clutch to revolvefreelv with the armature. The momentum is thus. THE LXIVERSAL CLUTCH—VIEW OF INTERIOR MECHANISM obtained by the expenditure of one-fourth the electricalenergy otherwise necessary to start a car, the deadweight of which offers so much resistance. With this regulating clutch, there is but one lever, ofvery simple form of motion, and by the application ofthis one motion of lever, to stop a car, the armature ispermitted to revolve, while, at the same time, a direc


. The street railway review . - necessary to move the lever which has the effect ofpermitting the outside wheel of the clutch to revolvefreelv with the armature. The momentum is thus. THE LXIVERSAL CLUTCH—VIEW OF INTERIOR MECHANISM obtained by the expenditure of one-fourth the electricalenergy otherwise necessary to start a car, the deadweight of which offers so much resistance. With this regulating clutch, there is but one lever, ofvery simple form of motion, and by the application ofthis one motion of lever, to stop a car, the armature ispermitted to revolve, while, at the same time, a directconnection is made in the operation of the car brakes. One of the important movements in connection withthis clutch, is the prevention of the wear and tear ofarmatures, brush commutators, etc., while a car is des-cending a short or a long grade. This is accomplishedby the use of a small shoe connected with the main brakerod, which shoe is graduall} pressed onto the inside rimof the armature, thus permitting a car to run down gradewhile the armature is at a standstill. In order to preventa driver from starting a car with the use of the maximum .quantity of electrical energj-


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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads