One-inch map showing route of Festiniog Railway abiout 1840. This is a composite of one-inch sheet 75ne (published1840) with an inlay from sheet 75se (published 1838). It shows the inclined plane that was used until the Moelwyn tunnel was bult in 1842
Director General of the Ordnance Survey, UK
Composite of OS old series one-inch maps 75ne and 75se