...disengagement of Which is promoted by frequently stirring with a long iron rake. The coak from theso ovens, though made with the same kind of coal, is...and as light as pumice-stone. I am indebted to Mr. Cnrr, steward to his Grace the Duke of Norfolk, for these particulars, who very politely attended me...

...coals, the disengagement of which is promoted by frequently stirring with a long iron rake. The coke from these ovens, though made with the same kind of...the Duke of Norfolk, for these particulars, who very politely attended me through the work? in the year 1 802, and assisted mo iu taking the necessary measurements,...

...to be more of the nature of charcoal, the process is conducted in a different manner. The small-coal is thrown into a large receptacle similar to a baker's...produced by the former operation ; this being intensely bluck, very porous. «»il as light as pumice-stone." The eame author, in his Chemical Essays, vol....

...heat of the oven is sufficient to dissipate all the bitumen of the coals, the disengagement of whii h is promoted by frequently stirring with a long iron...Mr. Curr, steward to His Grace the Duke of Norfolk, fur these particulars, who very politely attended me through the works in the year li'O'J, and assisted...

...coals, the disengagement of which is promoted by frequently stirring with a long iron rake. The coke from these ovens, though made with the same kind of...being intensely black, very porous, and as light as pumice stone." Both these descriptions of coke enter into the process of smelting ; the former is capable,...

...which is promoted by frequently stirring it with a long rake. The coke from the ovens, though made from the same kind of coal, is very different from that...being intensely black, very porous, and as light as pumice stone. Under the article LIME-BURNINO, a drawing and description of a patent oven for making...

...upon the mass during combustion. The coke made by this method, though the same kind of coal be used, is very different from that produced by the former...black, very porous, and as light as pumice-stone. It is used for a variety of purposes ; but when intended for the iron and steel forges, great care...

...upon the mass during combustion. The coke made by this method, though the same kind of coal be used, is very different from that produced by the former...black, very porous, and as light as pumice-stone. It is used for a variety of purposes ; but when intended for the iron and steel forges, great care...

...disengagement of which is promoted by frequently stirring the coal with a long iron rake. The coke from these ovens, though made with the same kind of...different from that produced by the former operation (;'. e. as practised in ovens of the Duke of Norfolk's colliery, described at p. 157); this being intensely...

...disengagement of which is promoted by frequently stirring the coal with a long iron rake. The coke from these ovens, though made with the same kind of...different from that produced by the former operation (ie of coking, as practised in ovens of the Duke of Norfolk's colliery, and described at p. 431); this...