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Story
May 5, 1904
The Copper Era
Clifton, Graham County, Arizona
What is this article about?
H. O. Clark, a San Francisco mining man, uses a new gold washing machine at Pittsburgh Placers near Rincon, claiming it processes 30-40 tons of dirt and saves gold so effectively that tailings show no colors to expert panners.
Clipping
OCR Quality
95%
Excellent
Full Text
New Gold Washing Machine.
H. O. Clark, a San Francisco mining man, is working the Pittsburgh Placers near Rincon with a new gold washing machine that he claims will handle from 30 to 40 tons of dirt. The new machine consists of a cylinder, three feet long and eighteen inches in diameter, surrounded by a revolving screen. There is a half circle bottom containing riffles about one-half inch deep and one inch in width in which the dirt drops after passing through the screen. The gravel that falls into the riffles is constantly agitated by steel fingers or worimers that separate the gold from the dirt. The values it is said, are saved so closely that expert panners are unable to produce any colors from the tailings. Enterprise.
H. O. Clark, a San Francisco mining man, is working the Pittsburgh Placers near Rincon with a new gold washing machine that he claims will handle from 30 to 40 tons of dirt. The new machine consists of a cylinder, three feet long and eighteen inches in diameter, surrounded by a revolving screen. There is a half circle bottom containing riffles about one-half inch deep and one inch in width in which the dirt drops after passing through the screen. The gravel that falls into the riffles is constantly agitated by steel fingers or worimers that separate the gold from the dirt. The values it is said, are saved so closely that expert panners are unable to produce any colors from the tailings. Enterprise.
What sub-type of article is it?
Curiosity
Personal Triumph
What themes does it cover?
Triumph
What keywords are associated?
Gold Washing Machine
Mining Invention
Pittsburgh Placers
Rincon
San Francisco
What entities or persons were involved?
H. O. Clark
Where did it happen?
Pittsburgh Placers Near Rincon
Story Details
Key Persons
H. O. Clark
Location
Pittsburgh Placers Near Rincon
Story Details
H. O. Clark employs a new gold washing machine consisting of a revolving screen cylinder with riffles and steel fingers that agitates and separates gold from 30-40 tons of dirt, saving values so completely that no colors remain in tailings.