Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EAW001080 / 2155409)

' Air raid precaution (ARP) signal box. 14" thick walls and a thick concrete roof and floor. Designed to be able to withstand bomb blast or a direct hit from a small bomb. Floor and roof were self shuttering 'U' shaped beams which were then covered in concrete. They were almost impossible to demolish in the 1970s and 1980s! '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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