The 150, produced in its pure form.
37.3 547 Halifax 564 20.4 Worsted 41.9 611 Bradford 603 30.0 Do. 31.0 691 Macclesfield 804 26.0 Silk 14.9 588 Leek 705.
37.3 547 Halifax 564 20.4 Worsted 41.9 611 Bradford 603 30.0 Do. 31.0 691 Macclesfield 804 26.0 Silk 14.9 588 Leek 705.