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Amgueddfa Cymru – Museum Wales
Black and white 35mm film negative of Engine Pit Level, Blaenavon, 15 April 1977. 'Blaenavon Engine Pit Level 15/4/77' is transcribed from original negative bag.
20A - showing a fly wheel from a large steam haulage engine, used to support the pack wall. 21A - showing the lower section of the Engine Pit shaft. 22A, 23A and 25A - showing the Engine Pit Level which was kept as an emergency exit until 1979. 24A - partial image.