Circular stair:  When viewed from above, appear to follow a circle with a single centre of curvature and large radius.  Generally they are provided at the rear of a building to the access for serving at various floors.  All the steps radiate from a newel post in the form of winders.  Made up of stone,cast iron/RCC. - Study24x7
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12 Apr 2019 09:35 AM study24x7 study24x7

Circular stair:  When viewed from above, appear to follow a circle with a single centre of curvature and large radius.  Generally they are provided at the rear of a building to the access for serving at various floors.  All the steps radiate from a newel post in the form...

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