3 results filtered with: Hoover, Herbert, 1874-1964
- Books
Georgius Agricola De re metallica / tr. from the 1st Latin ed. of 1556, with biographical introduction, annotations and appendices upon the development of mining methods, metallurgical processes, geology, mineralogy & mining law, from the earliest times to the 16th century, by Herbert Clark Hoover and Lou Henry Hoover.
Agricola, Georg, 1494-1555.Date: 1912
- Books
- Online
The eightieth birthday of William Henry Welch : the addresses delivered at the ceremonies in Memorial Continental Hall, Washington, D.C., April 8, 1930, and an account of the celebrations in honor of Dr. Welch in many parts of the world.
Date: 1930- Books
De re metallica / Georgius Agricola ; translated from the first Latin edition of 1556, with biographical introduction, annotations, and appendices upon the development of mining methods, metallurgical processes, geology, mineralogy & mining law from the earliest times to the 16th century, by Herbert Clark Hoover and Lou Henry Hoover.
Agricola, Georg, 1494-1555.Date: 1950