. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . signal system, said to be the in-vention of a Pittsburgh man, is beingtested on the Long Island Railroad. Bythis system, it is said, a cartridge will ex-plode if an engineer should run past adanger signal, thus calling it to the at-tention of men in the cab. The explosion of the cartridge will alsorecord on an indicator the fact that an en-gineer has neglected to observe a dangersignal and explanations will be in orderfrom the man at fault. Don*t tell what you are going to do;do it. 28 RAILWA
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . signal system, said to be the in-vention of a Pittsburgh man, is beingtested on the Long Island Railroad. Bythis system, it is said, a cartridge will ex-plode if an engineer should run past adanger signal, thus calling it to the at-tention of men in the cab. The explosion of the cartridge will alsorecord on an indicator the fact that an en-gineer has neglected to observe a dangersignal and explanations will be in orderfrom the man at fault. Don*t tell what you are going to do;do it. 28 RAILWAY AND LOCOMOTIVE ENGINEERING January, 1908. Patent Office Department 5IGN \l. SYSTEM. supported from the axles independent-ly of the engine frame or truck framesPa- and shiftable into engagement with has patented an electrical signalingsystem for railways, No. 870,466. Theobject of the invention is to preventthe possibility of collision by reason either axle gear, and gearing betweenthe driving mechanism and the inter-mediate gear, the gearing including ashaft having flexible connected AUTOMATIC STOP SIGNAL. of the failure of the engineer to ob-serve or obey a danger signal, by pro-viding means for automatically apply-ing the brakes and stopping the invention embraces an improvedvalve and contact device carried on thelocomotive, and also a track stop plateand its connections. There is a stopplate at the entrance and exit ends ofeach section and are adapted to bestruck by a lever depending from avalve casing carried by the locomotivewhich automatically operates the airbrake and stops the train. Eacli trainsimultaneously operates an advancesignal and a rear signal, and is thusprotected from collision from eitherdirection. Electric batteries operatethe signals. Our illustration showscontact device depending from the lo-comotives. LOCOMOTIVE. A new form of geared locomotivehas been patented by Mr. J. E. Frier-mood, Everett, Wash., No. Inthe locomotive
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