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File:Old compact fluorescent lamp.JPG - Wikipedia
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Philips SL*18
Integral compact fluorescent lamp | Smithsonian Institution
Philips SL*18 Demonstration Lamp
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Philips SL*9 CFL with black base, early rare example of original CFL or energy saver design dating back to early 1980s, later lamps had a white base Stock Photo - Alamy
Philips SL*18R
Philips SL*18
Philips SL*9 Prismatic Compact Fluorescent Lamp
1994 Philips SL Prismatic 18W daylight - YouTube
Philips Lighting SON 100W E39 ED75 CL SL/12 :: High Pressure Sodium, Ceramalux Alto, 100W :: PLATT ELECTRIC SUPPLY
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Compact fluorescent lamp | Science Museum Group Collection
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Philips SL*18 18watt Earth Light CFL Light Bulb - YouTube
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David Savery Electrical Services Ltd. - My exciting historically significant light bulb!
Philips SL compact fluorescent lamps original design from the 1980s in hexagonal boxes retro design Stock Photo - Alamy
