Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,124 pages of information and 233,665 images on early companies, their products and the people who designed and built them.
Hackworth was asked to design a series of locomotives for the increasing trade in coal haulage. He prepared plans for two different types of engine, with 6 of each built. In design, they were not dissimilar, and followed the arrangement of inverted cylinders used in the "Royal George". They had "long engines" and where called the "Majestic" and "Wilberforce" type locomotives. The locomotives were named: