Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,159 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
1965 Wellman, Smith, Owen Engineering Corporation changed its name to Wellman Engineering; business divided into 5 major groups including Wellman Incandescent Furnace Co to concentrate on the thermal engineering activities of the company.
1967 Formed a natural gas systems division to compete for work in conversion of industrial plant to use natural gas, in conjunction with other parts of the Wellman group. Wellman Incandescent Natural Gas Systems could call on other parts of the Wellman Group, specifically Incandescent Heat Co, W. S. O. Furnaces, Brayshaw Furnaces, Controlled Heat and Air, Manchester Furnace Co, Selas Gas and Engineering Co.
1968 Roller-hearth furnace