This book contains a comprehensive guide to using a steel square, being a detailed handbook on its various uses, common problems, correct handling, application to roof framing, and more. A profusely illustrated and detailed volume, Steel Square is highly recommended for anyone occupied in roof construction. Contents include: The Steel Square, Steel Square in Use, General Description, Parts of a Steel Square, Testing a New Steel Square, Scales, Octagon Scale, Essex Board Measure, How to Use the Square Braces, Use of the Steel Square in Making a Brace, Brace Measure, Roof Framing, etc. Many...