PART I

STAIR-BUILDING

PAGE

=Stair construction= 1

Definitions 2

Setting out stairs 8

Pitch-board 10

Well-hole 18

Laying out close-string stair 22

Open-newel stairs 32

Stairs with curved turns 34

=Geometrical stairways and hand-railings= 43

Wreaths 43

Tangent system 44

Bevels to square wreaths 60

How to put curves on face-mould 68

Arrangement of risers 74

Stair-building and the steel square · 第 3 / 7 章