A view in the firebox showing the tubes. The upper rows have had the tubes removed, the middle section have had the tube beadings cut off and slit ready for removing and the lower tubes are still in place.
A view in the firebox showing the tubes. The upper rows have had the tubes removed, the middle section have had the tube beadings cut off and slit ready for removing and the lower tubes are still in place.
Credit: C.Hopkins, 24/10/07