sentences:  From ""The Dinas Firebrick Co."" to ""John Player & Co."" in 1825, to ""Riddles, Young & Co."" in 1829 and finally, becoming world famous as ""Young & Allen"" in 1852, the company brochure later mentions that it had supplied firebricks to Swansea's White Rock Copper Works for forty years.The "Dinas Firebrick Works" experienced some financial and technical troubles during 1829, and Young laid out further monies to support his nephew William Weston Young Jr.'s stake in the company, but the company traded at limited profits for some time, requiring Young to start painting commercially yet again, this time in watercolours of the Neath Valley, where he'd moved once more, to Fairyland House, near the Ivy Tower on the Mackworth Estate, Tonna, Neath, Glamorganshire.In 1835, Young published an eighty-five-page, illustrated book "Guide to the Scenery and Beauties of Glyn Neath", published by John Wright & Co. Bristol and sold by Longman, Rees, Orme, Browne & Co. London MDCCCXXXV.