— Severn Tunnel Railway

Not Stated, Not Stated, c1890. Leather. A very scarce large folding map of the Severn Tunnel, a unique hand-coloured map of GWR's tunnel. A very scarce folding map of the Severn Tunnel, two-chain scale line survey, neatly hand-coloured, mounted on linen.Unfolded the map measures at 126".Stamps of the 'Engineer's Plan Office' at Paddington. The Severn Tunnel was opened by Great Western Railway in 1886. They begun work on the tunnel, which measures at 7,008 meters long, in 1873, to link South Gloucestershire to Monmouthshire, and remained the longest underwater tunnel in the world for a centuryDesigned by GWR's chief engineer Sir John Hawkshaw, this tunnel is considered to be his crowning achievement. In the original limp morocco binding. Externally, generally smart, a little rubbed with minor marks. Internally, in a folding concertina-style binding, mounted on linen. Pages are a little age-toned and generally clean with scattered spots and handling marks. Prior owner's pencil annotations to the margins. Good . Ill.: Not Stated. Good .