Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,257 pages of information and 220,097 images on early companies, their products and the people who designed and built them.
Founded in Cleveland, Ohio by Rollin H. White as the Cleveland Motor Plow Co
1917 Changed the company name to the Cleveland Tractor Co
1918 Changed the company name to Cletrac
1920 At Darlington Royal Agricultural Show exhibited a tractor 
1940 Company sold to the Oliver Corporation