Staggering away, Langdon tripped over the base of a rolling ladder and fell hard.

They reached the rolling ladder, and Brian kicked up the foot-brakes on the wheels.

Near the entry arcade, the most humble section has several long rows of stacked drawerlike tombs, with a rolling ladder in every row.

Drab leather-bound books lined shelves that ran floor to ceiling, with a brass rail and a rolling ladder allowing access to the upper reaches.

The aircraft came to a stop, the engines cut as rolling ladders were pushed to the wings and men scaled them.

Holograms of books lined the seven-meter walls, and a rolling ladder stood in one corner.

Zzt yelled down from the rolling ladder.

An alternative would be to use extra-tall bookshelves with a rolling ladder .

The rolling ladders are treasures and still in use, as Ms. Sperzel demonstrated.

Somebody had put a rolling ladder there and Zzt ran up it, his equipment clattering, and pried at the door.