| Description | Balston & Co. (London) to Boulton Watt & Co. 9 Feb. 1830.Boulton Watt & Co. per William Creighton (Soho) to Balston & Co. 10 Feb. 1830.Balstone & Co. (London) to Boulton Watt & Co. 12 Feb. 1830.Balstone & Co. (London) to Boulton Watt & Co. 8 Mar. 1830.Wil |