Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,669 pages of information and 247,074 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.
of 47 Victoria Street, London S. W. 1.
1924 Maker of The Elverson oscilloscope, which 'by intermittent illumination made a machine at 1500 revolutions appear to be either stationary or working at 150 revolutions, enabling faulty action to be detected and located.'[1]. This could be used for investigating the behaviour of machinery under actual working conditions.
Grace's Guide web site design is Copyright © 2025 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
MW1.43