Scale 1:63,360. 1 in. to 1 statute mile (W 6°42ʹ00ʺ--E 2°05ʹ00ʺ/N 55°55ʹ00ʺ--N 49°40ʹ00ʺ).
Relief shown by contours and spot heights. Each sheet embossed with Ordnance Survey seal. Individually titled and numbered. Some sheets revised in 1895 or 1897. Includes notes, adjoining sheets index, and "Index to the six inch maps in this sheet." Geographic coverage complete in 359 sheets.