PART II

STEEL SQUARE

=Introductory= 1

Specifications for steel square 1

Miter and length of side of polygon 4

=Steel square in roof framing= 7

General problems 8

Heel cut of common rafter 13

Hips 13

Heel cut of hips and valleys 16

=INDEX= 28

[Illustration: HALL AND PARTIALLY ENCLOSED STAIRCASE IN LONG HALL,

GREYROCKS, ROCKPORT, MASS.

Frank Chouteau Brown, Architect, Boston, Mass.]

Stair-building and the steel square · 第 4 / 7 章