1. Betts's new map of Ireland: accurately reduced from the beautiful six sheet map engraved under the superintendence of the Railw
1800. Scale 1:633,660 (W 10⁰40ʹ--W 5⁰20ʹ /N 55⁰26ʹ--N 51⁰20ʹ) On cover: [John] Betts's road & railroad map of Ireland. 1 map : color ; 78 x 64 cm.