Show A KOVEI APPARATUS it is merely two old fashioned fire auces puces standing back to back as though designed to furnish to two ad bining rooms each being four feet deep and two high to the enclosing joint chimney A hearth one foot wide extends before each of these fire places leading to a water tank at one end into which the ore is plunged sides of furnaces are seven inches thick same as back and within these iron casings water is injected to po the brass air pipes which open near the bottom there are seven of these to each furnace and when connection is given to the powerful blower effect is the same as 14 distinct forges this roster is therefore an aggregation of little blowpipe forges into which ore intermingled with coal fed and heated quickly to the fusion point and when matted together like the clinkers in impure coal it is ready to be into the water tank and the roasting process is complete two men attend on each furnace and one takes away the roasted ore from the tank it is surprising how quickly the ore will melt and fue under the in tense heat and how little coal is necessary until jone remembers the combos tile nature of some ores after they have been heated the draft given b these 14 powerful jets of heated air carrier all dust and smoke into the uk and thence into the blanket room and other receptacles for securing the mm oral contained therein the feature of this furnace therefore is the rapidity of the roast and the desirable form in which its slag enters the smelling smelting sm elting tur nace in smelling smelting sm elting after his preliminary roast no bedding or weighing is ne cesary thu reducing the cot of handling and securing as cloo clo o re u its by simply seeing that values are not allowed to pass off in slag from the furnace mr moffett has smelter smelted ex pen mentally with only 3 to 5 percent lead but found that the slag became too rich and that 10 to 12 pr cent baad laad achieved much better result res heavy in zinc are handled readily by this furnace since five minutes con tact with this blow pipe heat change t nature completely hio alues escaping in smoke are taken up by powei fat air currents and into con tact with blankets containing the mm era and allowing the gasses and arm cutest particles to continue conti aue on for long distances ahei saing devite until almost ever thing of altie i caught and only za j e hae ha e es ca ed stacks of laih alu roasting an 1 smelling smelting sm elting room ara connected with this blanket room and benco ahrn the works are in lull blat there is neither moka nor das to be wp obese daft chambers yield a product which after caving been set on nr melts jo t tto a roas roa s sh otting the presence pie sence of diw leaa lio therefore bai nothing in it novelty ei ept the result with w new at work i five proved as eff dual as the ame hours in furnaces ot a dit terent ution rho jumbo daisy |