Date: Circa 1865
One Inch to One Statute Mile. Electrotyped in 1863 Published at the Tower of London 1st September 1832 by Lieut. Colonel Colby of the Royal Engineers. Engraved at the Ordnance Map Office in the Tower under the direction of Lieut Colonel Colby by Benj Baker and Assistands The Writing by Ebenezer Bourne the Hills by Richard Tovey. Old folds as issued. Overall sheet size : 50.2cms x 34.3cms; image size: 478mm x 335 mm inc imprint. Very good condition, dark , strong impression. Rhymney bottom left; Blaina Gwent Iron Works , Abergavenny, Crickhowel . Abergavenny and Hereford Railway and Brecknock and Merthyr Tydfil Junction Railway shown.
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