Wrexham, Shropshire and Marylebone Railway, a former train operating company in the United Kingdom
When access to the particular MIT computer was removed in 1983, fellow CP/M enthusiast Frank Wancho, then an employee at the White Sands Missile Range, arranged for the archive to be hosted on a DECSYSTEM-20 computer with ARPANET access, accessible via FTP at simtel20.arpa, later known as wsmr-simtel20.army.mil.