Show I OH OIL OI PULL F FOR FOB TUNNELS T Experiment Tried Tied to Avoid Stifling Stig Smote SmokeS St St Paul Oct 26 Experiments are re to tobe tobe tobe be made with wih fuel luel oil 01 by the Great Northern In the Cascade tunnel to de determine de determine termine the merits of at assertions made by railway engineers engineer that oil al fuel keeps air in tunnels tunnel clear Although Albough the most Improved system of at fan n has already been applied it i is said to be almost Impossible to keep the tremendous tremendous dous bore free from coal smoke and gases S It I is planned to t use in the tunnel heavy locomotives fitted with devices for burning petroleum These are to be used on all al trains train through the tunnel con coal fire tre locomotives taking the trains again as they emerge t |