Disgrifiad
Mss texts, photocopies of drawings, and notes relating to Flat Holm Batteries and Fort.
Cofnod Casglu
GSC - Guns Across the Severn Collection
Cyfrwng
1 file. Text, Graphic.
Cychwynnwr
Dylan J. Roberts, Andrew Saunders, Mr C. Jack Spurgeon, Howard J. Thomas
Dyddiad
1994-09 to 1995-11