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- The voice came from an oblong metal plaque like a dulled mirror which formed part of the surface of the right-hand wall.p. 2.1
- Any sound that Winston made, above the level of a very low whisper, would be picked up by it, moreover, so long as he remained within the field of vision which the metal plaque commanded, he could be seen as well as heard.p. 3.1
There are no more uses of "plaque" in 1984 by Orwell.
Typical Usage (best examples)