2-The Philips SL*; the first commercially available CFL (1980; 18W, 900... | Download Scientific Diagram
Philips SL*18 Demonstration Lamp
Compact fluorescent lamp, Philips SL18 Prismatic t | Science Museum Group Collection
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Philips SL*18 Demonstration Lamp
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Philips SL*18 Demonstration Lamp
Compact fluorescent lamp, Philips SL18 Prismatic t | Science Museum Group Collection
Philips SL*18
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