Tags: Military Structure.
The Old Blockhouse also known as the Dover Fort is a 16th-century fortification on the island of Tresco in the Isles of Scilly. It was built between 1548 and 1551 by the government of Edward VI to protect the islands against French attack.Overlooking Old Grimsby harbour and the anchorage of St Helen’s Pool the blockhouse would have housed a battery of two or three artillery pieces positioned on a square gun platform on top of a rocky outcrop.
