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 247,105 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.

John Frederick Droop

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Revision as of 10:20, 28 September 2012 by MaryS (talk | contribs) (Created page with "Patented a roller skate. in 1866, 'guiding skates by the inclination and pressure of the foot," on the 19th of July. <ref>The Engineer 1876/02/18</ref> == See Also == <what-lin...")
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Patented a roller skate. in 1866, 'guiding skates by the inclination and pressure of the foot," on the 19th of July. [1]


See Also

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Sources of Information

  1. ↑ The Engineer 1876/02/18
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