Hornby R30125 BR, W1 Class 'Hush Hush' Streamlined, 4-6-4, 60700 - Era 4Product Info Having been rebuilt with a conventional boiler and A4 style streamlining in 1937, the W1 Hush Hush continued to serve with LNER and later British Railways. Under BR the locomotive was renumbered 60700 and used to operate regular services out of Kings Cross to Leeds and Cambridge, remaining with BR until scrapping in 1959.