Wednesday, August 13, 2014

How to Make a Steel Mortar and Pestle for Crushing Rock


Here is a great idea for a steel mortar and pestle. The author uses and impact hammer and a bowl he made. He utilizes compressed air, although I am not sure that pneumatics is necessary. This looks like a good answer for the weekend prospector. I have been using a fence post rammer and a piece of steel tubing to crush my samples. This has converted me. Hope you like the video.
https://www.youtube.com/watch?feature=player_embedded&v=vV91MTZKo20

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Hidden Treasure Story: Boy Discovers Brass Shell Casing with Three Gold Coins from 1899

 Amidst the harshness of the Great Depression, circa 1935, Travis embarked on a desperate quest in the arid expanse of the desert, searching...