Lot 48

Couriot

Exploitation des Mines (c.1880)

This scarce mining book consists of 164 lithographed double plates with figures and legends. A book of reference for understanding the methods of mining exploitation…

Lot 70

Rudolf Krahmann, M.E., D.E.

The geophysical magnetometric investigations on West Witwatersrand areas between Randfontein and Potchefstroom, Transvaal (1936)

With 20 large folding plates.

Lot 235

Williams (Gardner F.)

THE DIAMOND MINES OF SOUTH AFRICA (Presentation Copy)

Some account of their rise and development illustrated.

Lot 330

Williams (A.F.)

THE GENESIS OF THE DIAMOND