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By "Wahnschaffe, Felix (Gustave Albert Bruno Felix), 1851-1914"
A guide to the scientific examination of soils; comprising select methods of mechanical and chemical analysis and physical investigation. Tr. from the German of Dr. Felix Wahnschaffe. With additions by William T. Brannt...Illustrated by twenty five engravings.
By: Wahnschaffe, Felix - Braunt, William Theodore,
Publication info: Philadelphia,H.C. Baird & co.,1892.
Contributed by: Library of Congress