| 238 / | HD | RAILWAYS: SURFACE TRACK |
| 122 | | RAILS {20} |
| 123 | DF | .~> Rack |
| 124 | DF | .~> Turnout |
| 125 | DF | .~> Vignoles {1} |
| 127 | DF | .~> Channel {1} |
| 129 | DF | .~> Trough and filler |
| 130 | DF | .~> T-rail |
| 131 | DF | .~> Webless or flat |
| 132 | DF | .~> Reversible {1} |
| 134 | DF | .~> Tubular {1} |
| 136 | DF | .~> Step tread |
| 137 | DF | .~> Biped |
| 138 | DF | .~> Base bar |
| 139 | DF | .~> Side bars |
| 140 | DF | .~> Detachable guard or step |
| 141 | DF | .~> Split base and web |
| 142 | DF | .~> Split tread |
| 143 | DF | .~> Detachable head {4} |
| 148 | DF | .~> Tread surfaces |
| 149 | DF | .~> Webs |
| 150 | DF | .~> Substance |