Wyvern Light Car Co.Ltd. was a British automobile manufacturer which traded from 1913 to 1914 in Twickenham, then in Middlesex (now a part of London). The cyclecar was powered by a four-cylinder, in-line, 10.53 hp. Chapuis-Dornier engine driving the rear wheels.
See also List of car manufacturers of the United Kingdom
References
David Culshaw & Peter Horrobin: The Complete Catalogue of British Cars 1895-1975. Veloce Publishing plc. Dorchester (1997).