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The Tangential Impulse Water Wheel in California Gold Mining History—Part II
March 2004 by Guest Writer
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.Additional articles that might interest you...
The Amazing Mineral Tourmaline
December 2013
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
The Highs and Lows of Drywashing
August 2016
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
The Bawl Mill
February 2014
• The dirty truth about clean energy
• By the numbers
• The dirty truth about clean energy
• By the numbers
Ask The Experts
August 2015
Hydraulic remnants or just lose material?
Hydraulic remnants or just lose material?
Finding Gold with a VLF Detector—Part I
April 2014
The very first thing to find out...is if the detector has the ability to be ground balanced.
The very first thing to find out...is if the detector has the ability to be ground balanced.
Silver at Calico, California
April 2001
Silver was discovered in the mountains as early as 1875, but the first “official” discovery was in 1881.
Silver was discovered in the mountains as early as 1875, but the first “official” discovery was in 1881.
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