Note 11 — Chapter X · THE NATURAL FORMATION OF THE DIAMOND
Reading edition
The water sunk in wells close to the Kimberley mine is sometimes impregnated with paraffin, and Sir H. Roscoe extracted a solid hydrocarbon from the “blue ground.”
Reading edition
The water sunk in wells close to the Kimberley mine is sometimes impregnated with paraffin, and Sir H. Roscoe extracted a solid hydrocarbon from the “blue ground.”