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 147,170 pages of information and 233,417 images on early companies, their products and the people who designed and built them.

Robert Hornby and Co

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June 1936.

Hotel slot-meter

1938 Various pre-payment meters of the Siemens-Schuckert type were approved by the Electricity Commissioners[1]

See Also

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Sources of Information

  1. The London Gazette 20 May 1938