Stair-Building and the Steel Square

Оглавление

Fred. T. Hodgson. Stair-Building and the Steel Square

Stair-Building and the Steel Square

Table of Contents

PART I. STAIR-BUILDING

Definitions

Setting Out Stairs

Pitch-Board

Well-Hole

Laying Out

Open-Newel Stairs

Stairs with Curved Turns

GEOMETRICAL STAIRWAYS AND. HAND-RAILING

Wreaths

Tangent System

Bevels to Square the Wreaths

How to Put the Curves on the Face-Mould

Arrangement of Risers in and around Well-Hole

PART II. THE STEEL SQUARE

Introductory

To Find the Miter and Length of Side for any Polygon, with the Steel Square

The Steel Square as Applied in Roof Framing

Heel Cut of Common Rafter

Hips

How to Treat the Heel Cut of Hips and Valleys

INDEX

Отрывок из книги

Fred. T. Hodgson, Morris Williams

A Manual of Practical Instruction in the Art of Stair-Building and Hand-Railing, and the Manifold Uses of the Steel Square

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In the better class of buildings, the number of steps is considered in the plan, which it is the business of the Architect to arrange; and in such cases, the height of the story rod is simply divided into the number required.

It will now be in order to describe a pitch-board and the manner of using it; no stairs can be properly built without the use of a pitch-board in some form or other. Properly speaking, a pitch-board, as already explained, is a thin piece of material, generally pine or sheet metal, and is a right-angled triangle in outline. One of its sides is made the exact height of the rise; at right angles with this line of rise, the exact width of the tread is measured off; and the material is cut along the hypotenuse of the right-angled triangle thus formed.

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