Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,649 pages of information and 247,065 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Bowpark Developments

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of Skelmersdale, Lancashire.

1974 Introduced a solid-state ingition system (the Piranha system) which reduces petrol consumption and exhaust hydrocarbons and which runs on only 7V. The Piranha system works by an optically pulsed electronic switch and switching transistor.[1]

See Also

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Sources of Information

  1. The Engineer 1974/01/17