Llewellyn Wynn Williams
Llewellyn Wynn Williams of L. Wynn-Williams
1896 of Railway Appliances Works, Cathcart, Glasgow
1899 Llewellyn Wynn Williams, The Linn, Cathcart, Glasgow.[1]
1912 Patent for railway signal levers.[2]
1925 Llewellyn Wynn Williams named as the proprietor of Llewellyn and Sons, Houghton Bridge Waggon Works, Greencroft, West Darlington.[3]
1926 Llewellyn Wynn Williams named as managing director of Henry Williams.[4]