Keene Engineering 140HVS Hi Vac Power System Dry Washer w/ Blower-Backpacking scoop Full to the top will

Full to the top will give you a apx 10 Troy ounce Gold Bar

The Assay of Materials Requiring Preliminary Acid Treatment

The nearly perfect cubes of pyrite are from Navajun

inside across the top is 7-1/4"

This is a reprint of the 3rd edition

Keene Engineering 140HVS Hi Vac Power System Dry Washer w/ Blower-Backpacking scoop Full to the top willThis is the Complete Keene Engineering 140HVS Hi Vac Power System Dry Washer Some other new patented features of the Keene 140s dry washer also include: Soft Bed Technology: creates greater electrostatic charged recovery bed. Scrubbing Pins: for early separation of material and even flow before entry into the recovery tray. New Improved Vibrator System: creating greater vibration at lower engine speeds for increased gold production. Blast Gate