corkscrew stair

spiral stair, caracole, circular stair, cockle stair, corkscrew stair, spiral staircase

spiral stair
A flight of stairs, circular in plan, whose treads wind around a central newel. Also called a helical stair, solid newel stair.
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with floors at uneven levels and wearying corkscrew stairs .
A Library with a future: T.G. Otte goes to the heart of Whitehall to explore the origins and future of an important government archive which is becoming far more accessible to historians
You can walk inside, but you can't walk up the corkscrew stairs to the top or see the lens.
HAWAIIAN INTERLUDE : KAUAI A LUSH ISLAND OF LEGENDS AND RAINBOWS

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