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- It was a simple cube of granite, the size of a toolshed, it had no windows, no apertures of any kind, only a door of polished steel and a complex set of wire antennae branching out from the roof.3.1 Part 3 Chapter 1 — Atlantis (54% in)
There are no more uses of "aperture" in Atlas Shrugged.
Typical Usage (best examples)