| Description | On the same sheet: Transcript of extract of letter. Joseph Graystock (Raab) to Boulton Watt & Co. 30 Apr. 1832.Docketed “Enclosing several letters for perusal – to Graystock and Pritchard. Estimate of boiler for William of Constance. With extract from Graystock’s letter respecting 2 Bramah locks.” |