Military
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A Spanish "Long Nine" cannon cast in Spain about 1750 AD fired a nine-pound iron ball to a maximum range of three miles. Although it has no legible markings, historic weapons experts at the Castillo de San Marcos believe it was used in the fort until 1763, when the Spanish left St. Augustine in English hands. The Spanish took their bronze cannons with them but left some iron guns behind, and this cannon was rendered inoperable by knocking off the trunnions, the pivot points on each side of the tube, so the English could not use it against them.
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St. Augustine, Florida · United States
