English, c.1915, stamped to a brass plaque 'Imperial Light Ltd, 123 Victoria St, London S.W.' and stamped 1918 in the centre, presumable the date, the zink plated can unscrews with a section at the bottom for the calcium carbide and water in the top section, with a silvered reflector at the back, with ceramic burners, in the original wooden case with a section below to hold the calcium carbide, door cracked,