Conveyance of explosives on roads : conditions under which the employment of petrol-driven and oil-driven vehicles is approved by the Secretary of State, in accordance with the provisions of Order of Secretary of State no. 11 (S.R.O. 1924, no. 1129), dated September 20, 1924.
Great Britain.Home Office,issuing body.
Great Britain.His Majesty's Stationery Office.
"July 11, 1933".