Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,711 pages of information and 247,104 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.

Denny-Johnson: Difference between revisions

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Type of torsion meter for measuring the output of marine engines
Type of torsion meter for measuring the output of marine engines


1908 Described in an article in ''The Engineer'' <ref>[[The Engineer 1908/10/12]]</ref>
1908 Described as in wide commercial use, in an article in ''The Engineer'' <ref>[[The Engineer 1908/12/11]]</ref>
==See Also==
==See Also==
<what-links-here/>
<what-links-here/>

Latest revision as of 17:25, 26 September 2012

Type of torsion meter for measuring the output of marine engines

1908 Described as in wide commercial use, in an article in The Engineer [1]

See Also

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Sources of Information

  1. ↑ The Engineer 1908/12/11
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