DISCUSSION. THE METHOD EMPLOYED IN CONSTRUCTING THE PERMANENT WAY OF THE PHILADELPHIA AND READING RAILWAY, U. S.; WITH A DESCRIPTION OF A WROUGHT-IRON JOINT CHAIR AND FASTENINGS FOR THE RAILS, AS EMPLOYED ON THE BALTIMORE AND SUSQUEHANNA AND OTHER RAILWAYS IN THE UNITED STATES.,

Keywords: PHILADELPHIA & READING RAILWAY, RAILWAYS, PERMANENT WAY, CONSTRUCTION, METHODS, RAILROADS, IRON, WROUGHT, JOINTS, CHAIRS, FASTENINGS, RAILS, METALS, TRACK, TIMBER, TRELLIS, PHILADELPHIA, READING, BALTIMORE, SUSQUEHANNA, UNITED STATES, USA