PHILIPS
... LAMPS DISCHARGE LIGHTING RADIO RECEIVERS TRANSMITTERS VALVES THERMIONIC DEVICES MEDICAL INDUSTRIAL X-RAY ELECTRO-MEDICAL EQUIPMENT ARC WELDING EQUIPMENT ELECTRODES LIGHT ALLOY RESISTANCE WELDING PLANT MAGNETIC OIL FILTERS MAGNETS SOUND AMPLIFYING INSTALLATIONS LAMPS ;LT D CENTURY HOUSE, SHAFTESBURY AVE., LONDON, W.C.2 (96) VISION Ability to perceive the latent possibilities oj electricity; ...