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Amgueddfa Cymru
The Babcock Goliath crane at Trawsfynydd nuclear power station lowering into position the 450-ton top section of the spherical pressure-vessel of No.1 reactor c.1961
Belived to be the heaviest lift ever made by a single crane, the section was carried by the crane a distance of nearly 1,000 feet along the station site from the fabrication area to its final position in the reactor building.
The 500 MW nuclear power station at Trawsfynydd is being built by Atomic Power Constructions Ltd., for the Central Electricity Generating Board.