He stood with his back against the wall of the black chamber.
She appeared in the black spherical chamber, and found it deserted.
She sensed, but could not see, an immense black chamber with walls and ceiling far beyond reach.
In a black chamber, he confronted a thing which shone like opal.
This time Grushenka had to help carry the woman to the black chamber.
They were more curious than afraid when Grushenka led them to the black chamber.
He had known about the black chamber all along, but had not mentioned it for fear of frightening them off.
They pressed around each other in the windowless storage room just outside the door to the black chamber.
"With the black chamber, I get more hand-holding, which is very helpful."
Austria's black chamber was reputed to be the most efficient.