L' or.
L'or dans le laboratoire.--L'or dans la nature.--L'extraction de l'or.--Le traitement des minerais.--La métallurgie de l'or.--Préparation mécanique et traitement chimique.--De quelques régions minières.--À quoi sert l'or?--Des usages industriels de l'or.--La monnaie d'or.--Conclusion.
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Word Count
90,750 words, Guess
Page Count
363 pages
Identifiers
- Open LibraryOL6920419M
- Library of Congress Control Number02023222
Classifications
- LCCTN420 .H37
Subjects
Topics
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