• Yale & Barker occupied the Victoria Works in the early 1840's - the works were described as 'a small, well conducted factory; rooms low, small and dirty'; 'Longton', in A History of the County of Stafford: Volume 8

• At sometime they traded as Yale, Barker & Son - the partners were George Yale, William and George Barker. In March 1846 George Barker left the business which was continued by George Yale and William Barker. [London Gazette 24 March 1846]. 

• According to Godden from c.1845 to c.1853 the partnership was named Yale, Barker & Hall, who may have used the initials Y.B. & H. Godden - Encyclopaedia of British Pottery & Porcelain Marks.

• Trade directories of the period record the following works:

  • 1841 - Victoria Place (as Yale & Barker) - Pigot directory.

  • 1846 - Anchor Works (as Yale, Barker & Hall) - Williams directory. In 1847 Yale, Barker & Hall advertised the ovens, contents for auction as the site was needed for railway. [Staffordshire Advertiser; 26 June 1847] - the old (NSR) was incorporated in April 1845 and commenced construction work. 

  • 1850-52 - Viaduct Works, Caroline Street (as Yale, Barker & Hall) - Kelly, Slater, White directories. 

• George Yale "of Barker, Yale & Co., manufacturers" died in October 1852, age 62 [Staffordshire Advertiser 23 October 1852]

After the death of George Yale the business continued at the Viaduct Works, Caroline Street - the trade directories record Barker & Hall to 1854 and Barker & Hill in 1856.