Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,457 pages of information and 230,061 images on early companies, their products and the people who designed and built them.
1837 Business established
1891 of Holborn, exhibited a magnesium flash lamp and the Acme camera.
1915 Private company.
By 1939 Watson and Sons was a subsidiary of GEC.
The X-ray department developed and was incorporated in a separate subsidiary Watson and Sons (Electro-Medical) Ltd.