An account of the trigonometrical survey carried on in the years 1795, and 1796 by order of the Right Honourable the Marquis Cornwallis, Master General of the Ordnance. By Colonel Edward Williams, and Capt. William Mudge, of the Royal Artillery; and Mr. Isaac Dalby. Communicated by the Duke of Richmond, F.R.S. From the Phliosophical Transactions - Williams, Edward Colonel (s.n, 1797)