Description

This section is from the book "A Treatise On Architecture And Building Construction Vol3: Stair Building, Ornamental Ironwork, Roofing, Sheet-Metal Work, Electric-Light Wiring And Bellwork", by The Colliery Engineer Co.. Also available from Amazon: A Treatise On Architecture And Building Construction.

54. Quarter Platform With Step

Fig. 50 is a plan of a quarter-platform stairway with a 15-inch cylinder having a regular step at its center.

Fig. 50.

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