A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Illustrates and describes details of construction of a simple mill for grinding and amalgamating gold ore. (2000 w.) (No. 23775)
Illustrates and describes details of construction of a simple mill for grinding and amalgamating gold ore. (2000 w.) (No. 23775)
How to build an arrastre
Eng Min Jour
Storms, W.H. (author)
1911
Article (Journal)
English
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