Helmshore Mills Textile Museum - Condenser Spinning

Condenser Spinning

The condenser spinning process (1920)
Hard Waste Soft Waste Comber waste -
Jumbo Single cylinder devil Hopper opener Blowing Room
Six cylinder devil
Breaker Scutcher
Lap (Scutcher lap) 42lbs a time
Breaker Carding Carding Room
Sliver
Derby Doubler Takes 88 slivers
Lap (Sliver lap)
Finisher Carding
Roving On bobbins or a beam
Drawing
Mule Spinning
Yarn

Fine spinning produced a lot of waste so naturally this was recycled. This waste was the raw material of a condensor spinning mill. It came in three forms, loose staple, unspun rovings and spun thread (hard waste) that had been pirned but rejected. No matter its source it had to be devilled (broken down) to staple, then scutched and carded in the normal way. After these processes the staple was very short, and the processing of the lap was different - a Derby Doubler was used to mix slivers into sliver lap. A notable feature of the mule was that the rovings weren't on individual bobbins but on a beam. As the fine spinning of cotton contracted so did the need for condensing.

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