The Round Buddle was invented in Cornwall, where it is still used in dressing the tin ores to the exclusion of almost every other concentrator.
The object of gravity concentration is the separation of the heavy valuable mineral from the light worthless gangue. Complications are often introduced by the fact
It has been found that in the case of certain ores, residuum oil separates sulphides and metallic particles from earthy or stony materials without reference to
Gold Settling Boxes are of the same shape as the spitzkasten or pointed boxes introduced by von Rittinger. They are for the purpose of allowing the
The Frue Vanner is described in detail as being typical of the shaking travelling-belt concentrators. Machines of this class are especially adapted for treating finely-crushed battery sands
Here is a trick for knowing if your flotation feed grind size is fine enough to achieve adequate mineral liberation without doing a full mineralogy
To help you read a burette, first obtain a 3″x5″ card and with a black felt tip pen make a horizontal mark on your card, one inch thick and
Since within certain limits and under certain conditions the capacity of a stamp battery depends on the number of blows given per minute and on
In the Griffin Mill, there is a single roller suspended in a similar way to the rollers in a Huntington mill. The roller is about
The Huntington Roller Mill, here described as a type of the many good roller mills now in use, is best suited for the fine crushing