LAMBTON, HETTON &amp; JOICEY COLLIERIES - 27 - Newcastle &amp; Darlington Junction Railway 2-4-0 - built 1845 by R Stephenson &amp; Co., Works No.491, as N&amp;DJR No.30 - 1846 to NER as No.30, later No.30A - 1864 rebuilt by Gateshead Works as 0-6-0, 1873 rebuilt as 0-6-0ST - 1898 sold to Lambton, Hetton &amp; Joicey Colliery as No.27 - rebuilt as 0-6-0T - seen here as NCB Area 2 No.27 at Philadelphia, January 1947.