Explore the history of codes from The Haircut Code to Ancient Hebrew ciphers, letter codes and substitution ciphers. Find out about modern-day codes and computer codes in the 21st century.
Trace firefighting through history, including Roman firefighting, the Great Fire of London, the man who created the first organised fire service, the evolution of firefighting equipment, the introduction of women to the service and the multi-skilled fire services that operate around the world today.
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Trace the history of policing, from the Romans, to Scotland's first organised police force. Find out about smugglers, poachers and street crime, the River police, the development of police vehicles, the world's most famous detective and the introduction of women to the service.