Part 38d
| 38d.ni1 Nickel-plated 21swg disc (X-series part X477 only) | 38d.ni2) Nickel-plated 21swg disc, part 217b, stamped MECCANO | 38d.ni.',300,236,'white')) Nickel-plated (38=18swg, 38d=21swg) | 38d.bs) Blackened steel † |
38d.zn) Zinc plated | 38d.bs1.',288,274,'white')) Blackened steel † (Army/Combat) | 38d.mb.',288,271,'white')) Matt brass plated † (Highway) | 38d.ir) Iridescent |
