Description Overview Zinser worsted ring spinning frame Year 1988 General overhauled in 2015 Specifications 640 spindles Pitch 75 mm Ring diameter 48 mm Oiled rings Tubes 260 mm Double apron drafting SKF 225 Modified for long and middle staple 120-40 mm For worsted and middle staple 40 to 120 mm Cowemat Condition Good condition