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 138,256 pages of information and 223,665 images on early companies, their products and the people who designed and built them.

British de Forest Phonofilms

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1923: The British de Forest Phonofilms Company, Limited was formed by Cyril Elwell with a capitalisation of £50,000, with Elwell himself as Managing Director.
The business was licenced to exploit Lee de Forest's US Phonofilm patents across the British Empire (less Canada), an early technology for including sound on film recordings. The firm operated out of the Kingsway offices of C.F. Elwell, and set up what were effectively the first talking picture studios in the United Kingdom in Clapham, South London.

See Also


Sources of Information

Sanders, Ian L. (2013). Cyril Frank Elwell. Morgan Hill, California: Castle Ridge Press. ISBN 978-0-615-81241-0.