DU Manufacturing
The DU Manufacturing Co. Ltd. was a British automobile manufacturer based in Clapham, London . Only in 1914 was a light vehicle built there under the name D Ultra .
The car was assembled exclusively from components from other manufacturers. No further information is known about the vehicle.
He appeared at the worst possible time, at the beginning of the First World War . Production did not revive after the war.
source
David Culshaw & Peter Horrobin: The Complete Catalog of British Cars 1895–1975 . Veloce Publishing plc. Dorchester (1999). ISBN 1-874105-93-6
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