In 1588, the bulk of the English fleet comprised 500-tonne race-built galleons designed primarily as floating gun-platforms. This detailed diagram of the inner-workings of a 16th Century English galleon shows exactly what went on below and above deck. Taken from the first of our two-part feature on naval gunnery from 1500-1918, the key lists the different rooms, sails, and guns used aboard the ship.

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