At last a folding-door was thrown open; they rushed pell-mell into a salon.
Suddenly the office servant, in the town livery, opened a folding-door.
The sudden opening of the folding-door interrupted her flow of talk.
At length Mrs. Arras rose, and opening a folding-door, beckoned me into the adjoining room.
A folding-door lay open before them into a large chamber, littered ...