Mining - Auction #53 Results
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Lot 48
Dr. Leon Demaret
Etude technique sur les MINES d'Or du WITWATERSRAND (1897; First edition)
Sought after technical monograph on the GOLD MINES of the Witwatersrand with 4 large folding MAPS, plans of MINES, mining equipment and methods, detailed…
Lot 49
Heather, H. J. S.
Electrical Engineering for Mechanical and Mining Engineers; Mines of WITWATERSRAND, South Africa (1912)
Sought after book with numerous ILLUSTRATIONS and 20 lectures with index in rear. Lectures were written for the Resident Mechanical Engineers in charge of the…