THIS valuable book is published by the Secretary of the American Iron-Association, and by authority of the same. This Association—now four years old—is not a common trades-union, nor any impotent ...

**1. A worker in Bethlehem Iron’s blacksmith shop makes tools for the company in the 1890s. **2. John Fritz, an engineering genius hired by Bethlehem Rolling Mill & Iron Co. in 1860, developed the ...

The Timken Co. chose Mitsubishi Nagasaki Machinery Mfg. Co. Ltd. to supply the automated, in-line forging press it plans to add at its Faircrest Steel Plant in Canton, OH. The estimated $35-million ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...