Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,372 pages of information and 230,037 images on early companies, their products and the people who designed and built them.


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ETA was a motorcycle produced in 1921, to a design by G. E. Halliday, of Halifax, Yorkshire.

Shortly after World War I, a magazine competition was run to find a design for an 'Ideal Motorcycle'. After winning the competition, Halliday put his ideas into practice and built a 7hp machine powered by a three-cylinder sv radial engine. It was mounted across the frame, displaced 870cc / 1,007cc and was built in-unit with a three-speed gearbox, with shaft drive to the real wheel. The fuel tank was made of pressed steel and doubled as the frame backbone. Leaf springs provided suspension for the frame and front forks.

Although the ETA merited more development, it never reached full-scale manufacture.

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
  • The Encyclopedia of the Motorcycle by Peter Henshaw. Published 2007. ISBN 978 1 8401 3967 9