Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,797 pages of information and 211,901 images on early companies, their products and the people who designed and built them.
Part of Philips
1936 As Philips Industrial X-Ray Service. AA image on this page. 
1937 British Industries Fair Advert as Philips Industrial (Philips Lamps Ltd) for Arc Welding Plant and Rods. Condensers for Power Factor. Rectifiers. Sample Welds. (Electricity: Industrial and Domestic Section - Stand No. Cb.912) 
1937 As Philips Industrial (Philips Lamps Ltd). Lamp and radio manufacturers. Metalix X-Rays. Philips Lamps, Radio, Rectifiers etc.