L. S. D. Motor Co


of Nunbrook, Mirfield, Yorks
Started in 1919 in Huddersfield by a firm of electrical engineers.
First made by Sykes and Sugden
Later moved to Linthwaite and then to Mirfield before closing in 1924
Name came from the three founders Longbottom (the designer), Philemon Sykes (the manufacturer) and Dyson (the accountant).
The cars were three-wheelers and there were the Family, Popular and Standard models as well as 3 and 4 cwt vans.