Show Gun Silencers Used on Railroad Engines OIl electric locomotives for railroad yard ard use In cities would wake up the neighborhood all night eight long were it not for gun silencers These devices Invented hl for use on firearms for war service le so that gunners might J lire fire le silently have hove found a It liew new and amid growing grow grow- growing ing use Time The silencers unlike automobile exhaust exhaust exhaust ex ex- haust do not reduce noise h by placing playing obstructions In the path of the time discharged gases guse but lJ by passing the exhaust thron through h the peculiarly constructed silencing chamber Oil Oil- engines engines- designed especially for railroad sn switching service generate generate generate gen gen- erate their power aboard without emitting emit ting the smoke and noise |