My article Staffordshire Engine Turned Pottery, 1760-1780, published March Edition of the UK Journal of the Society of Ornamental Turners, 1999, see link below, discusses the location in Long Lane, Longton, Staffordshire of the turner responsible for this unique form of decoration supplied to the factories of Whieldon, Astbury, Myatt, Greatbatch, Barker and Wedgwood.
https://www.jbhawkinsantiques.com/articles/staffordshire-engine-turned-pottery-1760-1780/