Original vintage poster: Philips Miniwatt Radiorör for sale at posterteam.com
First Philips X-ray tube, 1918 - Media library | Philips
NAE Website - WILLIAM H. PHILIPS 1918-2009
Driven by our purpose and caring for people | Philips
Philips, Charles B; Interview and Materials - Neville Public Museum of Brown County Digital Collections - Wisconsin Historical Society Online Collections