Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Graph
Diagram of Water Pumped at Severn Tunnel. Graph showing figures for water pumped at Severn Tunnel for the years 1888-1895. Drawing no. 'No.1 - No.47385'.
Pwnc
Diwydiant
Rhif yr Eitem
1996.100/85
Mesuriadau
Meithder
(cm): 35.5
Lled
(cm): 190.5
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