sentences:  In early 1814, Young became the major investor in William Billingsley and Samuel Walker's venture; the Nantgarw Pottery, Nantgarw, Glamorganshire.Billingsley and Walker, through their prior ties with "Flight, Barr & Barr" at Royal Worcester had signed an agreement not to disclose their new porcelain recipe to a third party, but there was no clause preventing them from using that recipe themselves.The pottery was set up, but something of Billingsley & Walker's understanding of the recipe or manufacturing process was amiss, as 90% of the porcelain was ruined in the firing.