Source Description: RGPF WA Drawing of the WA Powder Mills after the 1843 explosion.
PRO Reference:
WAAC Filename: WAAC-1843.pdf
WASC Filename: wasc_1263_00.pdf
Abbreviations:
W = Winters
WASC = Waltham Abbey Special Collection
PRO = Public Record Office (now TNA The National Archives)
HMI = His Majesty's Inspectorate
PR = Press Report
