| Description | With the following copies on the same sheet: Memorandum. Explanation & causes for the alterations which took place on the slide valve cylinder cover &c. &c. of the Highbury 12 horse engine made by Messrs. Boulton & Watt. James Edwards & Co., Engineers. 6 Dec. 1836. Memorandum. Account of the money paid by the estate owner to Edwards, Mar. 1836. |