@notonwallstreet Yup. I couldn’t help wondering whether this was a like for like comparison. Anyone out there have better numbers?
RT @UrbanFoxxxx: Maunsell anti-aircraft forts for use in the Mersey Estuary under construction at Bromborough Dock, 1942 (the Thames Estuar…
RT @UrbanFoxxxx: Maunsell anti-aircraft forts for use in the Mersey Estuary under construction at Bromborough Dock, 1942 (the Thames Estuar…