Elementary Principles of Carpentry

A Treatise on the Pressure and Equilibrium of Timber Framing, the Resistance of Timber, and the Construction of Floors, Roofs, Centres, Bridges, &c. with Practical Rules and Examples. To which is Added an Essay on the Nature and Properties of Timber, Including the Methods of Seasoning, and the Causes and Prevention of Decay, with Descriptions of the Kinds of Wood Used in Building. Also Numerous Tables of the Scantlings of Timber for Different Purposes, the Specific Gravities of Materials, &c. Illustrated by Twenty-two Engravings, and Several Wood Cuts

Thomas Tredgold