This Supplementary Code relates to B3.1.1.01- Mechanical Code Of Practice, Section 3.4.2 - Plain Bearings. It contains NZ Railways; Care and Packing of Axleboxes, 30/5/1932, and Care and Packing of Axleboxes; 30/5/1932, which contains information relevant to the care and packing of plain bearing axleboxes.