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The ore dressing device widely used in the 19th C patented by Brunton has recently been described in several publications as a buddle. These include Rick Stewart's book on ore dressing at Devon Great Consols, and reports in the Northern Mines Research Society newsletter regarding excavations at Killhope Mine (1980's). Is it correct to call this device a buddle, and is it described as such in any original source? The original adverts for it (eg Mining Journal 1847) describe it just as a frame. My idea of a buddle is a device where concentration occurs over a fixed bed, circular or rectangular. The Brunton used concentration over a moving belt, somewhat similar to the later Frue Vanner but with no lateral shake so it presumably could not be described as either a vanner or a buddle. I am assuming, perhaps wrongly, that there was just concentration one device invented by Brunton in widespread use. Any comments? Alasdair Neill