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- Public Library
- Project Gutenberg
- C. (Cornelius) Beringer
- A Text-book of Assaying: For the Use of Those Connected with Mines.
A Text-book of Assaying: For the Use of Those Connected with Mines.
by C. (Cornelius) Beringer, J. J. (John Jacob) Beringer
Language
en
Duration
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Publisher
Project Gutenberg
Rights
Public domain in the USA.