Yes, we find that necessary.

Behind each is a small chamber, hollowed most scientifically, quite a little temple of acoustics.

If Miss Westcote, now, would care to step into one and listen, while I stand below with the Major and converse in ordinary tones--" "No, no," Dorothea declined, hurriedly, and with a shiver.
It hurt her to think of Raoul herded among seven hundred miserables in this endless barrack, his every movement overlooked, his smallest speech overheard, by an eaves-dropping sentry.
"I think, Endymion chimed in, my sister feels her long journey, and would be glad to get our business over." "Ah, to be sure--a thousand pardons!" The Commandant shut the door and piloted them across to the hospital block.

Here on the threshold the same warm, acrid atmosphere assailed Dorothea's nostrils, and almost choked her breathing.

Their guide led the way up a flight of stone steps to the first floor, and down a whitewashed corridor, lit along one side with narrow barred casements.
A little more than half-way down the corridor the blank wall facing these casements was pierced by a low arched passage.