Description Overview Ring spinning frame Brand: Duesberg Bosson Type BM Specifications 2 x 70 = 140 spindles Rings Ø 75 mm Gauge 100 mm Tubes 340 mm Centrifugal twister tubes 1 condenser bobbins unwinder for both sides Motor 1 motor Brown Boveri 220 V 6.5 - 13.5 HP