'Note by Mr Mallock with regard to question (3)': report by Arnulph Mallock on blast pressures experienced in the neighbourhood of guns On the effects of pressure wave gases emerging from discharged weapons. Notes the availability of a previous (1905/6) report by the Ordnance Committee and surviving test equipment which might be used to determine the effects of guns on aircraft. Containing a sheet of diagrams. [1 December 1914]