Appendix: Military Engineers and Miners in the Pipe Rolls of the English Exchequer

Summary

Extracted below are some of the references in the published volumes of the Pipe Roll Society (1844–2012) to aspects of engineering with military purposes. The Pipe Rolls (PR) – the accounts of the Exchequer preserved in the Public Record Office (now The National Archives) – have been published from that surviving for 1130 (31st year of Henry I), resuming from the first years of Henry II (1154–89) up to 1224 plus that for 1230, with gaps especially between 1131 and 1155, in 1215 (incomplete) and in 1217–18 (civil war). This table lists year, volume of the published series, name and title of recipient, amount paid and what the amount is recorded as being paid for. Under 1210 is added a record from the Liberate Rolls, published in 1844. Publication references are in the bibliography.

The reigns covered are: Henry I (1099–1130) (last year only), Henry II (1154–89), Richard I (1189–99), John (1199–2016), Henry III (2016–72). No Exchequer rolls survive for the reign of Stephen (1130–54).