A. B. C.
STEEL SQUARE—THE STEEL SQUARE AND ITS USES.
Division A.
Preface 1
Introductory remarks 3
Some useful advice 7
Framing posts, girts and braces 9
Testing a steel square 11
Practical uses of the steel square 13
Some rules for roof framing 16
Octagon rules 19
Lines on steel square explained 22
Varieties of squares 29
Bridge-builder’s square 31
Crenelated square 34
Test diagrams 37
Degrees on the square 44
Division B.
Introductory 47
Slotted fence 48
Laying out stairs 49
Laying out rafters 51
Metal fences 53
Fence adjusted for stair strings 55
Brace rules and diagrams 57
Regular and irregular runs 60
Roof framing 63
Cutting rafters 64
Octagon rafter bevels 65
Hip and valley rafters 65
Jack rafters 66
Bevels for hips, valleys and jack rafters 66
Measuring rafters 68
Different pitches for roofs 70
Some pointers in roof framing 72
Roof diagrams 79
Rise and run of rafters, hips and jacks 82
Cuts and bevels for rafters 86
Unequal pitches 91
Hip-roof with deck 96
Division C.
Introductory 97
Diagram of hip-roof 98
To cut jack rafters 100
Hopper miters 101
Questions and answers for correspondents 102
Joints for obtuse or acute angles 102
Drawing circle with square 104
Laying out stair wreath with square 105
Bevel for miter cap 105
Face mould by the square 106
Making pitch-board by the square 107
To lay out braces, girts and trusses 108
Braces, regular and irregular 109
Diagram of braces in position 112
Finding center of circles 113
Stair with three windows 114
Pitches and bevels for hand-rail 115
Traces for hand-rail bevels 116
Cutting out rails with band saw 118
Diagram of hand-railing 119
Tangents in hand-railing 121
Getting horizontal trace of hand-railing 122
Instrument for laying out hand-rails 124
Framing a hip-roof 125
Diagram of hip and rafter lines 126
Rafter measurement on the square 127
Bevels and cuts of roof 128
Plumb and horizontal cuts for hips 129
Length of rafters, hips and jacks on square 131
Rules for cutting rafters 133
Stair wreath for level landing 133
Wreath for single pitch rail 134
Block for cutting wreath 135
Square and plumb 136