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Simpson & Bibby of Pomona Engine Works, Lund Street, Cornbrook, Manchester
1899-1902 James Bibby was works manager of Pomona Engine Works
1902 Boiler patented by Daniel Simpson
1903 Built an unusual 5-ton steam wagon for Accra, West Africa. This had a four cylinder V-form single acting engine, normal running speed 450 rpm. The cut-off could be varied by sliding the camshaft to bring a different cam profile into play. Wood-fired flash boiler. Power steering, using hydraulic rams operating a steel cable to turn the front axle. Hydraulic pressure came from the steam-driven boiler feed pumps 
Sold the rights to their steam wagons to Alley and MacLellan
1906 NOTICE is hereby given, that the Partnership heretofore subsisting between us the undersigned, William Simpson, Francis Godlee, Daniel Harrison Simpson, and James Bibby, carrying on business as Manufacturers of Motor Cars and General Engineers, at Cornbrook, near Manchester, and elsewhere, under the style of firm of "SIMPSON AND BIBBY," has been dissolved by mutual consent; as and from the seventeenth day of December 1906, by the retirement of the said James Bibbv. All debts due to and owing by the said late firm will be received and paid by the said William Simpson, Francis Godlee, and Daniel Harrison Simpson, who will continue to carry on the business under the same style