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 133,805 pages of information and 211,901 images on early companies, their products and the people who designed and built them.

Job Day and Sons

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November 1913.
November 1913.
April 1914.
November 1919.
November 1919.
November 1919. Specifications.
November 1922.
October 1923. Models, prices and specifications.
1929. Tea packetting machine.
1929. Tea packetting machine.

Job Day and Sons Ltd of Leeds, makers of packaging machinery for tea and granulated material

1901 Invented machine for packing soap; Jacob Day and Sons company founded

Other early products were a bacon slicer and a motorcycle

1912 William Henry Day, son of Job Day, developed a prototype car - the Day Leeds - using a motorcycle engine

1912 The company made both motorcycles and cyclecars. The first models were 3.75hp singles with direct-belt drive, free engine or two speeds, and Druid forks. The main difference from many others was that they had an overhead inlet-valve.

Later cars were fitted with bodies made by Blackburn Aeroplane Co

1913 November. Details of four-cylinder light car.[1]

1913-1917 For a list of the models and prices of Petrol Motor Commercial Vehicles see the 1917 Red Book under the Day-Leeds name.

1913-1917 For a list of the models and prices of cars see the 1917 Red Book

1914 Introduced all-chain drive and a P and M two-speed gear.

WWI Car production ceased during the war. Production of motorcycles ended but the company continued to manufacture cyclecars until 1925.

1924 A total of 300 cars had been made but increased competition made the company switch to packaging machinery.

1930s Three production factories in Leeds

1935 Moved to Beeston Royds Works, Leeds

1960 Acquired by Rose Brothers of Gainsborough


Eclipse was a motorcycle produced in 1912. It was designed by H. A. Smith and built by Job Day and Sons of Leeds.

The firm made their own 499cc engine that had an overhead inlet-valve and a special lubricating system. It had an Edlin frame, Druid forks, Bosch magneto, belt drive and a half-compression device for easy starting.


See Also

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Sources of Information

  • History of Job Day [1]
  • 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