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Mercury_pressure.jpg
 Emission spectrum of mercury lamps versus pressure438 viewsMax
DSC06220.jpg
 Thomas Duplex Super Safelight438 views347vPowerlite
Philips_GR60D_-_NL_1967.JPG
 1967 Philips GR60D438 viewsMax
20240323_105548.jpg
 Thorn Beta 5 Mk.16 top entry on pole box437 viewsAgentHalogen_87
-_Philips_TUV_6W_-_NL_1961_a.jpg
 1961 Philips TUV 6W436 viewsMax
IMG_9952.JPG
 CRT lighting436 viewsMax
Set-up_with_reference_lamp.jpg
 General test setup434 viewsMax
IMG_3136_2.jpg
 In the limelight433 viewsMax
06_25_IMG_0002.jpg
 Sylvania LU50432 views347vPowerlite
Miniature_lamps.jpg
 A bunch of "miniature" lamps431 viewsMax
SDW-T_100W_extreme.jpg
 Spectral evolution of a sodium lamp431 viewsMax
2-kW-mercs.jpg
 Behemoths430 viewsMax
BelishaBase.png
 Installing a Belisha beacon base kit430 viewsAgentHalogen_87
Osram_HQI-TS_70W21WDL_Plus_-_DE_1994.jpg
 1994 Osram HQI-TS 70W/WDL Plus429 viewsMax
WD1.jpg
 War Department Road Lantern429 viewsSammi
Westinghouse_C250-S5021DX4_-_USA_1979.jpg
 1979 Westinghouse C250-S50/DX4428 viewsMax
20251109_115649.jpg
 Philips SRM custom twin lamp428 viewsAgentHalogen_87
Philips_SON-ST_150W_-_BE_1981.jpg
 1981 Philips SON-ST 150W427 viewsMax
SHX-S_85.jpg
 Sylvania SHX-S 85 Supersaver HPS Mercury Retrofit426 viewsSammi
Sylvania_H39KC-17521N_-_CA_1979.jpg
 1979 Sylvania H39KC-175/N425 viewsMax
GEC_Dichro_Colour_PAR38_Lamps.jpg
 Set of GEC Dichroic lampses424 viewsSammi
Bubbly_Lampses.jpg
 Bubbler Tubes424 viewsSammi
mam_xray.jpg
 A light source and housing just not as you know it422 viewsTuopeek
Sharxs.jpg
 Display/Optic lamp Sharxs HTI422 viewsTuopeek
Philips_13501_E2116.jpg
 Decorative neon lamp on HF power421 viewsMax
DSC_3291m.jpg
 Blue Soviet pixel tube420 viewsMax
IMG_6186.JPG
 Cathodoluminescent light source420 viewsMax
IMG_1400~0.JPG
 The Big Red One418 viewsSammi
RLOD-8_2020-05-12_Philips_MSR_1200_HR.jpg
 RLOD#8 (2020.05.12) 1995 Philips MSR 1200 HR418 viewsMax
Sylvania_50ER95_-_F_m1980s.jpg
 Mid-1980s Sylvania 50ER95418 viewsMax
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