Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,813 pages of information and 211,901 images on early companies, their products and the people who designed and built them.
Note: This is a sub-section of Metropolitan-Vickers
1919 A meter engineering laboratory was set up.
1924 Designed a prepayment mechanism, which became the foundation of a considerable business.