This item is a piece of British Railwayana from the British Rail (LMR) era, specifically the AWS (Automatic Warning System) of Train Control. Manufactured in the United Kingdom, this paper railwayana item is identified as BR 31168/4. It likely pertains to the signaling and safety measures implemented by British Rail during that time period, showcasing a piece of historical railway technology used for train control purposes. This publication is in good condition and includes 13 schematics of the AWS system , 1960s .