A unit of length used in spinning yarn. It is based on the size of the reel on which the yarn is wound, and is the amount of yarn taken up by one revolution of the reel.
|Yarn type||Length of thread|
|worsted||36 inches||80 threads = 1 rap or lea|
|cotton||1½ yards||80 threads = 1 rap or lea|
|Irish linen||2½ yards||120 threads = 1 cut or lea|
|Yorkshire linen||3 yards||100 threads = 1 cut or lea|
Calculations in Yarns and Fabrics. Third Edition.
Belfast: author, [no date, post WWI, 1920?]
Pages 14, 18, 21.
Copyright © 2011 Sizes, Inc. All rights reserved.
Last revised: 15 April 2011.