Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.
of North Wembley.
1958 Long-standing co-operation between Watson and Sons and the Machlett Company of the USA in X-ray tubes.
1961 Manufacturers and designers of X-Ray tubes and valves.