Subject
2 free books about stair building, free to read online. Chapter 1 of any book is free, no account needed.
Stair-building and the steel square: A manual of practical instruction in the art of stair-building and hand-railing, and the manifold uses of the steel square
Hodgson, Fred T. (Frederick Thomas); Williams, Morris
Practical Stair Building and Handrailing By the square section and falling line system.
W. H. Wood
