Subject: Deputy Comptroller, RPF, Faversham. Instructions from William Congreve to Waltham Abbey Gunpowder Factory on proportions of ingredients for Gunpowder. 2 sheets photocopy
Description: Deputy Comptroller, RPF, Faversham. Instructions from William Congreve to Waltham Abbey Gunpowder Factory on proportions of ingredients for Gunpowder. 2 sheets photocopy
