This illustration shows a Blake Ore Breaker (stone crusher), used in a gold stamp mill. This crusher…
Pair of v blocks. V-Blocks are precision metalworking jigs typically used to hold round metal rods or…
In the gold extraction process, finely crushed ores are leached in vats with a very diluted solution…
This is the body attachment for a drilling machine which is composed of the adjustable socket which…
This illustration shows a cross-section of a modern flour mill. Wheat is received in bin a, and first…