Table of ContentsShaft TimberingSinking Equipment and MethodsHandling Shaft WaterRock HandlingMiscellaneous Details The following is not offered as an extended paper on the subject of shaft
Table of ContentsDesignConstructionCost While the installation of mine bulkheads to retain water under high pressure is by no means a rarity, the following points which
Table of ContentsSteel UsedHeat TreatmentsManganese Steel Bar Heated to 1,100° C. Quenched in WaterManganese Steel Bar Heated to 1,100° Slowly Cooled in the FurnaceManganese Steel
In view of the prominence which the conical mill has attained in the fine-crushing field within the few years since its introduction, the following comparison
Table of ContentsBall Mill LiningSpeed of Ball MillsCompare a Hardinge Ball Mill to Chilean Pan MillPerformance Comparison: Conical Ball Mills VS Cylindrical Ball Mills Nearly every mining
In giving my opinion of the importance of Colombia as a field for investment for those interested in mining for the precious metals, I must
Table of ContentsSelecting a Boiler SystemWaste Gas Boilers for Directly Fired Heating FurnacesUtilization of Waste Heat from Regenerative Furnaces Technical progress takes place in two directions: the improvement
This old and well-known method of determining silver is, in bullion work, so far superior to the furnace-assay that it is looked upon with reverential
Electrostatic separation of ores in its present form is generally known as the Huff process, from the name of Charles H. Huff, of Boston, Mass.,
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