Royal Mail Steam Packet Company
…by sister ships Amazon, Araguaya and Avon in 1906, and Asturias in 1908. A few years later the final four "A-liners" were built: Arlanza in 1912, Andes and Alcantara in 1913 and Almanzora in 1915. Earlier members of the series, from Aragon to Asturias, had twin screws, each driven by a four-cylinder…