| | Networking and Network Security (Site not responding. Last check: 2007-10-16) |
 | | In May to July 1870, three locomotives (Great Britain, Prometheus and Estaffete) were rebuilt to a new design, retaining their original names. |
 | | Lord of the Isles (the last to be withdrawn) was initially preserved by the GWR at Swindon Works, but was scrapped in January |
 | | 1880 and October 1887, while the other locomotives to the later design were all withdrawn with the end of the GWR broad gauge in May 1892 (except Hirondelle, which had been withdrawn in December 1890). |
| www.subnetworking.com /wiki/GWR_Iron_Duke_Class (276 words) |