Author:Robert Hallowell Richards
|←Author Index: Ri||Robert Hallowell Richards
|LL.D. Professor of Mining and Metallurgy, Massachusetts Institute of Technology, Boston. President American Institute of Mining Engineers, 1886. Author of Ore-dressing; &c|
This author wrote articles for the 1911 Encyclopædia Britannica.
Articles attributed to this author are designated in EB1911 by the initials "R. H. R."