✦ LIBER ✦

The history of mining hygiene, with special, reference to the mines of the witwatersrand.

✍ Scribed by Porter, Charles

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The Early History of the Witwatersrand G

✍ A. C. M. WEBB 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 101 KB

Mechanical Drawing, with Special Referen

📂 Article 📅 1915 🏛 Nature Publishing Group 🌐 English ⚖ 135 KB

The Relation of Big Business to Industri

✍ Hise, Charles R. Van 📂 Article 📅 1913 🏛 American Chemical Society ⚖ 483 KB

The Gold Mines of the Rand; being a Desc

✍ BROUGH, BENNETT H. 📂 Article 📅 1895 🏛 Nature Publishing Group 🌐 English ⚖ 344 KB

Microseismic observations in a salt mine

📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 110 KB 👁 2 views

Human relations and the collective barga

✍ Richard L Hannah 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 560 KB