A. B. Stanford University, Member American Association for the
Advancement of Science, The National Geographical Society,
Royal Scottish Geographical Society, etc., etc.

1950

Dover Publications, Inc.

NEW YORK


TO
JOHN CASPAR BRANNER Ph.D.,

The inspiration of whose teaching is no less great than his contribution to science.

This New 1950 Edition of DE RE METALLICA is a complete and unchanged reprint of the translation published by The Mining Magazine, London, in 1912. It has been made available through the kind permission of Honorable Herbert C. Hoover and Mr. Edgar Rickard, Author and Publisher, respectively, of the original volume.

PRINTED IN THE UNITED STATES OF AMERICA