Only known picture of the mysterious wartime Cassiel Array AKA the Angelica Array at Thorpe Matravers. https://t.co/UFcTRi8jK4
Only known picture of the mysterious wartime Cassiel Array AKA the Angelica Array at Thorpe Matravers. pic.twitter.com/UFcTRi8jK4
— Hookland (@HooklandGuide) June 8, 2017