New Formulas for the Loads and Deflections of Solid Beams and Girders Autor William Donaldson 16 mai 2018 Paperback Preț: 95.02 lei 17-23 zile
Switches and Crossings. Formulae for Ascertaining the Angles of Crossings, the Lengths of Switches, and the Distance of the Points of the Crossings, a Autor William Donaldson 27 mai 2018 Paperback Preț: 140.64 lei 17-23 zile
Principles of Construction and Efficiency of Water-Wheels Autor William Donaldson 16 mai 2018 Paperback Preț: 101.64 lei 17-23 zile