Show ba 0 B B WB B t C MINING AND metallurgical PATENTS B the following mining and ad metallurgical patents have been issued by the United states patent office ore Was washer herand and amalgamator amala amator no james murphy of butte montana relates to machines ma shines for extracting ores orias by auita agitation tion and washing or amalgamating the object of the invention being to provide a machine of this plass class of simple form and reliable in operation the combination with a main frame pro vided aided with a vertical operating shaft of a washer on the shaft provided with toothed flanges a horizontally movable frame on the main frame a sliding frame in the movable frame provided with a circular opening an eccentric in said opening 11 provided with an upwardly projecting flange at its periphery and with downwardly projecting toothed flanges in means bans for adjustably securing the eccentric to the washer and a screw threaded shaft connected atone at one end with the sliding frame and projecting through the movable frame at the other end the combination of the stationary frame a movable frame surmounting it having a longitudinally arranged grooved portion a plate therein an adjustable eccentric connected to said plate a threaded adjusting rod projecting from said plate and extending through the end of the movable frame inverted concave bearing plates secured near one end of the two frames and facing each other balls in their concavities con cavities longitudinally groove bearing bearen plates secured to the movable and stationary frames near their opposite ends and balls in ther grooves amalgamator no hugh M thompson of st louis missouri 1 1 ali A 0 zi aa NO in an amalgamator the combination with a framework provided with bearings an a amalgamating pan having an inclined bottom provided with a central depressed portion forming an amalgamating chamber and annular series of upwardly projecting ting agitators located is said chamber of a hollow shaft jour journ na aled led in the bearings of the framework and having its ts lower discharge end extended into the said chamber an agitated head carried by the shaft and adapted to revolve therewith in said chamber a se series rias of perforated rat ed flanges located on the u under side of the said head and alternating with those of the chamber and agitating r arms radiating radi radiating atino at intervals from the said head and extending I 1 over the bottom of the amalgam pan and having depending agitators ore Conden concentrator no jacob lamport lampert of hill city south dakota h V Z 0 an ore concentrator the combination of a table having its head end cut on an obtuse angle and its tall tail end cut on an acute angle and provided with upstanding flanges a series of parallel longitudinally disposed riffles fiffles extending from the head toward the tail end of the table and of successively greater length as they approach the front side of the table said riff rif lles files terminating some distance from the tail end so as to leave a smooth surface between their extremities and the tail end flange in combination with the ore and water feed and supply pipes means for vibrating 11 said table and means for returning partially treated ores back to the feed box Crus crushing hinc mill no thomas L sturtevant of quincy and thomas J sturtevant of newton massachusetts A crushing 11 mill the combination with two rotating shafts of two crushing rolls each of which comprises a loosely mounted tire and a se series ries of weights I 1 interposed between said tire and its shaft said weights tend tending ing by centrifugal action to force the loosely mounted tires of the two rolls into central positions relative to these shafts when the tha latter are in rotation one of said rolls being mounted in adjustable bea bearings whereby 12 C e e NO its position relatives relative to the other roll may be varied process of extracting gold or other metals from refractory ores no albert G stephens los angeles california A composition for the extraction of gold and other metals composed of water chloride of lime acid bromide of potassium and chloride of sodium to be varied according to the refractory conditions of the ores treated the object of the invention being 7 to reduce bullion metals and minerals from their original ores |