Mountain Goat Reverse Helix Trommel for gold mining prospecting teknetics all-welded construction

all-welded construction

Headphone Storage Case

It can also be used directly in a stream

Specifically designed for use with the MINELAB SDC 2300 metal detector

Lortone Model QT6 Rock Tumbler for polishing jewelry and stones

Mountain Goat Reverse Helix Trommel for gold mining prospecting teknetics all-welded constructionThe Mountain Goat Trommel is a reverse helix system built on the same principle as the huge mining trommels used by large mining companies all over the world, but this is light and portable. The reverse helix system came from the Archimedes Screw Pump invented over 2,000 years ago by the mathematician Archimedes. The Mountain Goat is efficient because the spiral riffles inside of the tube turn and bring the heavy materials up to the high end of the