The tub was of copper varnished with some white metal inside.
By condensing the vapor, the white metal may be made to reappear.
It is a white metal of bluish tint and is malleable and ductile.
The history of the search for "white metal" upon Dartmoor has yet to be learnt.
Perhaps they could only distinguish the gleam of the white metal.
I hear the cry of the bearers; ...