
Unwin, William Cawthorne The Testing of Materials of Construction, a Text-book for the Engineering Laboratory and a Collection of the Results of Experiment

Unwin, William Cawthorne Wrought Iron Bridges & Roofs: Lectures Delivered at the Royal Engineer Establishment, Chatham. With Examples of the Calculation of Stress in Girders & Roof Trusses by Graphic & Algebraic Methods