| Notes |
Steam Plant: The Weakening of Boiler Plates. Various forms of deterioration of steam boiler plates, pitting, general wasting, smooth wasting, honeycombe pitting, methods adopted to detect & measure extent of boiler plate wastage, gauging for smooth wasting, the sounding hammer, Sketch showing corroded patch caused by continuous but slow leakage from flange of water gauge fitting, measuring the true thickness of a plate through a drilled hole, gauging a drilled plate, corrosion underneath scale, external corrosion |