Directions for Designing, Making, and Operating High Transformers Pressure Transformers #248482 5,85€
History of Propellers and Steam Navigation - With Biographical Sketches of the Early Inventors #248297 6,85€
Heat Treatment of Soft and Medium Steel - Theory and Practice of the Preliminary Heat Treatments Designed to Give Maximum Toughness to Steel Used for Machine Parts #249104 8,85€
Description of the American Electro Magnetic Telegraph - Now in Operation Between the Cities of Washington and Baltimore; Illustrated by Fourteen Wood Engravings #246631 5,85€
Illustrated Catalogue of Saw Mill Machinery - Manufactured by the Phoenix Mfg; Co;, Eau Claire, Wis;, U. S. A #246359 8,85€
A Treatise on the Blasting and Quarrying of Stone - For Building and Other Purpose; With the Constituents and Analyses of Granite, Slate Limestone, and Sandstone #245194 7,85€
