Anglo-American measure or barrel type (German Tonne or Bottich) with a volume of 954.68 litres in England and 953.924 litres in the USA. This corresponds roughly to the German Fuder and the French Tonneau. A tun consists of two pipes, three puncheons and six tierces. See also under barrel types, hollow measures and wine vessels.
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Technischer Lehrer, staatl. geprüfter Sommelier, Hotelfachschule Heidelberg