A single-page patent abstract from the 'Textile Machinery' column of the journal Engineering, January 26, 1900. It describes patent 15,100 of G. Mitchell and A. Craven of Bradford, Yorkshire, for a throstle spinning frame for unoiled, untwisted wool fibre. Fluted rollers with metallic carriers replace the usual intermediate rollers and carriers, and a variant uses plain rollers with fluted carriers. A line drawing shows the roller assembly.