PHILIPS Ecotone Pro 827 E27 SL Prismatic Cover 21W Low Energy Bulb (RARE) | Lazada
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
3 x Philips ES E27 SL-E Pro Electronic Prismatic Cover 16w Low Energy Bulb 950lm | eBay
Panasonic SL Type
12w BC SL Prismatic Lamp - Fairway Electrical
6 X RARE Vintage Philips Holland ES E27 SL Prismatic 13w Low Energy Bulb for sale online | eBay
Philips Light Prismatic SL-E 10YR16W/82 Energy-Saving Lamp 16W E27 230 V Warm White : Amazon.co.uk: Lighting
Lighting-Gallery.net - My CFL Lamp collection/Philips Sl 18 Prismatic
Bulbs for Mercedes SL (R231) Xenon headlights
Compact fluorescent lamp | Science Museum Group Collection
Lighting-Gallery.net - My Lamps SL/Philips SL 25 Prismatic (2° Generation)