Backwasher refers to a machine used for washing wool after carding to remove all impurities. It also dries the tops after washing by passing them over steam-heated cylinders, or perforated cylinders through which hot air is forced.
Ref: 86379/2006-09-14

Other Database Pages Exist for this Phrase:
Carding (Carding; carded is described as a preliminary ...)

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