Low pressure sodium lamps (part 6)
Later Philips 66w SOX-E lamp
Philips 91w SOX-E lamp
Philips 131w SOX-E lamp
Philips SOX-Plus lamps have a Red Cap
Philips 35w SOX-Plus lamp
Philips 55w SOX-Plus lamp
Philips 90w SOX-Plus lamp
Philips 135w SOX-Plus lamp
Philips SOX-PSG lamps have a Blue Cap
Philips 35w SOX-PSG lamp
|