I rechecked the plans of the building on my notepad: not every apartment had a ceiling hatch; 1911 did, 1912 didn't.

He set up the ladder beneath the ceiling hatch, then clambered into the loft.

Beauty is ventilated by three ceiling hatch with electric and air vents 5.

High overhead was a ceiling hatch through which a three-foot mirrored ball could be lowered.

Erick turned to the ceiling hatch and datavised the code at it.

If he opened the ceiling hatch, he could go outside the habitat.

So he stopped thinking, and climbed up to the ceiling hatch at the top of the cylinder.

He came through the ceiling hatch, head first, which inverted his visual orientation.

Endron came gliding through the ceiling hatch, head first.

Sure enough, Quinn was sliding down through the ceiling hatch from the bridge.