Description Overview Zinser worsted spinning frames Model 421 Year 1991 to 1992 732 spindles each Ring diameter 55 mm Gauge 82.5 mm Tube 260 mm PK1601 Automatic doffing Linked Equipment Murata autocones Model 7/2 Year 1991 to 1992 36 heads each Uster mk.20 clearers D4 splicers 6” exit 4°20’ conicity Magitex blower