Yarn Board (Board Winder), To assess the evenness, hairiness, neps and other imperfections in a representative sample of yarn wound at a pre-determined pitch onto a tapered black yarn board. Variable pitch traverse 7-19 wraps per centimetre, adjustable winding speed drive, equipped with alternative pre-tension, with yarn package stand and 2 tapered aluminum black yarn board 575mm x 250mm x 160mm. Assessment against photographic comparison standards (not included).