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LL_Post-Transition_Metals.jpg
 Optical emission of post-transition metals273 viewsMax
LL_Noble_Gases.jpg
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20180211_184239.jpg
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100W20Amber20Osram.jpg
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DSC02944.JPG
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comfort_SON_copy.jpg
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Screenshot_2026-06-03_134449.png
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InShot_20260214_010639916.jpg
 GTE-Sylvania H39KC-175/DX Cleartop Mercury Vapor Lamp260 viewsMaxim
91W_SOX-E_Ballast_Board.jpg
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DSCN0029.JPG
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 Philips Historische Producten museum Eindhoven (51/53)258 viewsMax
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GE_120V_160W_SBMV.jpg
 120V 160W GE E-Z Merc Self-Ballasted Mercury Vapour Lamp257 viewsRia
Sylvania_20W_Induction_Lamp_Lit_a~2.jpg
 Sylvania Dura One 120V 20W Induction Lamp255 viewsRia
2020-07-20_Thorn_CID_2500W.jpg
 RLOD#42 (2020.07.20) 1982 Thorn CID 2500W255 viewsMax
20170502_153121.jpg
 London Underground 1938 stock guard's pilot lamp253 viewsRia
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2020-07-02_Osram_HRI_330W.jpg
 RLOD#40 (2020.07.02) 2015 Osram HRI 330W252 viewsMax
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 Last remaining conventional streetlights 6250 viewsMax
thyratron.jpg
 Thyratron247 viewsTuopeek
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 Philips Historische Producten museum Eindhoven (17/53)246 viewsMax
InShot_20260210_162829826.jpg
 GTE-Sylvania H37KC-250/DX Mercury Vapor Lamp244 viewsMaxim
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Philips_HO_250W_-_NL_1958_a.jpg
 1958 Philips HO 250W242 viewsMax
26W20SOX-E20Ballast20Board.jpg
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 Last remaining conventional streetlights 7241 viewsMax
1000035471.jpg
 Urbis Evolo lamp holder assemblies240 viewsAgentHalogen_87
2020-07-17_SPO_22Svetotekhnika22_DRLF_400-2.jpg
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SON-Hcopy.jpg
 Retro-fit sodium for mercury replacement238 viewsTuopeek
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