Books by Beringer, J. J. (John Jacob) (sorted by popularity)
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Displaying results 1–1
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A text-book of assaying : for the use of those connected with mines.
C. Beringer and J. J. Beringer
249 downloads
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Displaying results 1–1
A text-book of assaying : for the use of those connected with mines.
C. Beringer and J. J. Beringer
249 downloads