Show The Hudson Tunnel Disaster Jersey City NJ SOAt tho inquest today into tho Hudson River Tunnel disaster President Hoskins testified We felt justified In usiag air and relying upon it for supporting the roof from our experience ex-perience in front of the tunnel There was aways a margin of five pounds of air that is to say if there were two and a half pounds too little tho roof would not cave There were often escapes up along the line of the shaft and I have known men to be at work for half an hour at a I time stopping one I |