Mountain Goat Reverse Helix Trommel for gold mining prospecting metal-detectors-over-5-000 Hand Rod Dimensions:

Hand Rod Dimensions:

My favorite places to use the CTX 3030 on the beach

Manufacturer-backed warranties

Works in manual or battery mode

Mountain Goat Reverse Helix Trommel for gold mining prospecting metal-detectors-over-5-000 Hand Rod Dimensions:The 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