The button of soot has vanished into the limbo of superseded inventions.
Duncan's hand airily wafted the remark into the limbo of the negligible.
But we forget that our hero, like Tristram Shandy, is still in the limbo of non-existence.
As to leave, it has again vanished into the limbo of futurity.
Alas, that is not possible, for it must remain forever in the limbo of tradition.
Not flippantly, but reverently, leave your misdeeds in a limbo where they may not rise to haunt you.
But the fellow while in limbo sawed off the chain and ball from his leg and escaped.
But they left it in limbo, they reverenced it, and they passed by.
The reference is probably to Virgil, and to his position in Limbo.
The things which pass into the limbo of forgetfulness are never lost to us.