Volumes, paper, card, board, LMS / BR(LMR) Operating Notices, four volumes covering Jan. 1924 to Aug. 1959. Notices issued by the LMS Chief Operating Manager's Department, later the BR(LM) Chief Commercial & Chief Operating Manager's Office, Euston Station. Notices mostly issued to drivers and firemen, covering safety, electrification, WW2 subjects including PoWs, gas attack etc. Volumes consist of printed notices stuck in, or typed sheets containing text of notices.