1. Surviving earthworks of the East Mersea Blockhouse Fort. Taken from the seawall looking south.Date: 2011Image ID COR2_020_001
2. The Blockhouse Fort at East Mersea. Drawing: Cudmore Grove Country Park / Essex County Council.Image ID COR2_020_003
3. Demi-culverin cannon cast in 1587. Image with thanks to WyrdLight.com.Image ID COR2_020_005