All the power tools were run by belts connected to the central shaft.

One of the spring's ends is attached to the drum, and the other end to a central shaft.

After the train passes the central shaft, the center gate is closed (3).

She left her room, climbed D's spoke tunnel to the central shaft.

They took a spiral moving walkway around the central shaft, going higher.

She took his hand and led him to the central shaft on foot.

By the time he got to the central shaft, the platform was on its way down with Yeats.

Later, a mule was lowered into the central shaft, and served there for 6 months.

The central shaft is original, but the others are later replacements.

Movement drew her eye to the central shaft around which the stairs wound.