Three green walkway sections, bolts and nuts, numbered steel supports, rectangular wooden blocks, and a spanner, used for walkway installation. The numbered steel supports were bolted to the side of the Greenwood and Batley chain testing machine, the wooden blocks bolted onto the supports, and the walkways rested on top of the blocks. Leeds, c. 1882 Walkaways, bolts and nuts, steel supports, wooden blocks and spanner for chain testing machine 1882