Plotting fallout
Introduction
The photograph on this page of Plotting fallout by DS Pugh as part of the Geograph project.
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Image: © DS Pugh Taken: 22 Jan 2017
Inside the York Cold War Bunker, former home of No 20 Group Royal Observer Corps Headquarters. On the left is AWDREY (see https://en.wikipedia.org/wiki/Atomic_Weapons_Detection_Recognition_and_Estimation_of_Yield ) and ahead a plotting table to calculate the centre of an atomic attack.