| Description | On the same sheet: Transcript of letter. James Watt Jr. to John Barrow (Admiralty). 4 Apr. 1834. Docketed “Annexing copy of letter to Mr. Barrow with estimate of 2 35 horse engines and copper boiler. Boulton Watt & Co. observations on the same and comparison of price with that of Maudslay.” Docketed as Boulton Watt & Co. |