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 167,715 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.

International Railophones: Difference between revisions

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[[Category: Town - Birmingham]]
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[[Category: Telecommunications]]

Latest revision as of 12:18, 20 March 2016

of Prudential Buildings, Corporation Street, Birmingham.

1910 Company established.

1913 Introduced the railophone signalling system to Prussia. The Midland Railway will test the system at Derby [1]


See Also

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Sources of Information

  1. ↑ The Times, Jan 28, 1914
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