This rare antiquarian text contains a comprehensive treatise on diamond drilling, written with particular concern for the needs of South African diamond drillers and for other persons who may be contemplating the use of diamond drilling machines in connection with the prospecting of exploitation of mineral lands in South Africa. A must-read for anyone with a historical interest in diamond-drilling, this book makes a great addition to any collection of antiquarian diamond-based literature. Chapters contained within this text include: Applicability of Diamond Drilling to Auriferous Deposits, Hand-power Drills, Power Diamond Drills, Operation of Machine and Hand Drills, Incidental Operations in Diamond Drilling, Deflection in Boreholes, Cost of Diamond Drilling, On the Computation of the Dip and Strike of a Formation, Drilling by Contract, and more. We are proud to republish this scarce book compete with a new introduction to the topic.