File:Old compact fluorescent lamp.JPG - Wikimedia Commons
PHILIPS SL-18 CFL lamp - YouTube
Philips SL 18/R40 Fluorescent 23-Watt Reflector Lamp Light Bulb 23W 120V | eBay
PHILIPS SL18/R40 | Bulb 23 WATTS 120 VOLTS $ 20.99
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Philips SL*18
6 x RARE Vintage Philips Holland ES E27 SL Prismatic 13w Low Energy Bulb NEW 8711500701992 | eBay
Philips SL*18 and similar
Philips SL*18
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Philips SL*18 Demonstration Lamp
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Philips SL*18 Demonstration Lamp
Lighting-Gallery.net - My CFL Lamp collection/Philips Sl 18 Prismatic
