Biography:
1. James Jessop was appointed to the Ordnance on the 26th May 1787 as a Junior Clerk at Sheerness, and transferred to Waltham Abbey as the Second Clerk of the Cheque on the 14th March 1805, with a salary of £80 per annum and an allowance of £10 (Supply 5/223 dated the 28th March 1805).