Present Day Metallurgical Engineering on the Rand was a book by John Yates published in the 1890s. It contained an appendix on the economics of the Transvaal gold mining industry. An advert declaring the book's recent publication was placed in a copy of The Times. (TV: Deep Breath)
Behind the scenes[]
Present Day Metallurgical Engineering on the Rand was originally published in 1898. From a real world perspective, this would place the setting of Deep Breath within the same year.