English Multi-gauge turnout with two four-rail triple-gauge leads at Gladstone, South Australia...
English Triple-gauge track with (in foreround) a common rail on the right hand side, leading to change-over to four rails heading: 180.0 degree...
English Triple-gauge track with (in foreround) a common rail on the right hand side, leading to change-over to four rails heading: 180.0 degree determination...