Ackland
Ackland produced motorcycles from about 1919 to 1924.
The machine was built by William Ackland who was one of the many who went into motorcycle production after World War I. He used similar components to many other manufacturers of the era, but instead of the usual Villiers engines, he used JAP V-twins.
Sources of Information
The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X