Locomotive appliances . brakes by impeding either the preliminaryor emergency exhaust. (2) It should be automatic. (3) It should record each emergency application made,whether engine is attached to train or handled light. (4) It should not operate when sen ice applicationsonly are made. (5) It should not make a record of thetimes the engineers valve handle is placed in emer-gency position when there is no air on the engine.(6) It should not operate when a hose bursts or tin1conductor applies the brakes from rear of train. (7)It should make its record in such a manner as to defyits being destro
Locomotive appliances . brakes by impeding either the preliminaryor emergency exhaust. (2) It should be automatic. (3) It should record each emergency application made,whether engine is attached to train or handled light. (4) It should not operate when sen ice applicationsonly are made. (5) It should not make a record of thetimes the engineers valve handle is placed in emer-gency position when there is no air on the engine.(6) It should not operate when a hose bursts or tin1conductor applies the brakes from rear of train. (7)It should make its record in such a manner as to defyits being destroyed. (8) It should be so constructed asto evade any attempt on the pari of tho person incharge of engine to change4 the record when oncemade, or to prevent a record being made when once (305) m LOCOMOTIVE APPLIANCES the forbidden position is reached. (9) It should beeasily applied, simple and durable; and (10) it shouldbe capable of being applied to all engineers valves onthe market without having to alter their Fig. 1. The Automatic Emergency Recorder as Applied to an 1892 Westinghouse Engineers Brake Valve. This recorder here illustrated (Fig. 1) registersaccurately each and every time the engineers valvehandle is placed in that position familiarly known asthe emergency position. The record is not made LOCOMOTIVE APPLIANCES. 867 upon paper or a sensitized film, which may be removedand destroyed, but is permanently marked by a handor pointer, similar to the manner of registering fareson street cars. It may be so constructed as to admitof its registering an indefinite number of device shown ranges in capacity from one to fivethousand. It will readily be seen by reference toFig. 1 that from the very construction of this device nointerference whatever can come to the successfuloperation of the air brakes by its attachment tothe engineers valve. It works automatically andrecords every emergency application, but none madein service position. No record will
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectlocomot, bookyear1901
