Report of an eight-month-long world tour undertaken by the author, along with workmate Sir Maurice Alan Edgar Mawby, as representatives of the Zinc Corporation in Broken Hill. Details information gathered on underground and metallurgical operations carried out by other mining companies at sites across North America, Europe and Africa. Compiled for and presented to the Managing Director and Board of Directors at the Zinc Corporation. Roneoed typescript bound into cloth hardcover boards. Contains a pullout world map with the marked journey, as well as copies of black and white photographs and illustrated diagrams and plans. Contains a loose insert compliments card that reads 'The enclosed with the compliments of Mr W.S. Robinson, Collins House, Melbourne' (possibly belonged to William Sydney Robinson).