#143472. National Maritime Museum: sea, ships, time and the stars : NMM The National Maritime Museum, Greenwich consists of the Maritime Galleries, the Royal Observatory and the 17th-century Queen's House, and incorporates the Prime Meridian of the world and London's only planetarium. Its collections contain over two million items relating to seafaring, navigation, astronomy and time measurement, including Nelson's Trafalgar uniform and the Harrison Chronometers. Nmm.ac.uk~Site InfoWhoisTrace RouteRBL Check