MANUAL for Description, Operation Installation and Maintenance Instructions for No. 490 Yarnspec Electronic Slub catcher.

MANUAL for Description, Operation Installation and Maintenance Instructions for No. 490 Yarnspec Electronic Slub catcher. Unicorner automatic winder, manual winding machines, yarnspec counting facility. Made by Leesona Ltd Heywood England. At the back of the manual is a pop out section that includes an additional instruction book and four sketches of circuits. Was owned by Alexander Morris who was the maintenance engineer at Caird Ashton Works from 1962 -77.
Part of a collection of items donated by Ann Grant Robertson the sister of Alexander Morris.