It was a vaut ybuilt for great dispence, xxix

With many raunges reard along the wall;

And one great chimney, whose long tonnell thence[741]

The smoke forth threw. And in the midst of all

There placed was a caudron wide and tall,

Vpon a mighty furnace, burning whot,

More whot, then Aetn’, or flaming Mongiball:

For day and night it brent, ne ceased not,

So long as any thing it in the caudron got.

But to delay the heat, least by mischaunce xxx