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LR_OSRAM_HQA_1000_start.jpg
 OSRAM HQA 1000468 views7 commentsOlav16 Dec, 2025 at 01:56 PM
LR_PHILIPS_HO_1000_OSRAM_HgH_2000.jpg
 PHILIPS HO 1000 and OSRAM HgH 2000476 views7 commentsOlav16 Dec, 2025 at 01:56 PM
NARVA_HQLG_80W_94_collage.jpg
 NARVA HQLG 80 W238 views1 commentsOlav16 Dec, 2025 at 01:48 PM
NARVA_NF_80_21_74.jpg
 NARVA NF 80-21 74561 views8 commentsOlav16 Dec, 2025 at 12:47 PM
Philips_Technical_Review_v23nr8_9_1961_1962_recent_improvements_in_sodium_lamps.pdf
 Philips_Technical Review_v23nr8_9 1961_1962_recent_improvements in_sodium_lamps219 viewsOlav16 Dec, 2025 at 12:08 PM
PHILIPS_HPW_125W_old_a.jpg
 PHILIPS HPW 125176 viewsOlav16 Dec, 2025 at 10:24 AM
Philips_Technical_Review_v1nr5_1936_the_mercury_vapour_lamp_HP_300.pdf
 Philips_Technical_Review v1nr5_1936 the_mercury vapour_lamp_HP_300194 viewsOlav16 Dec, 2025 at 10:24 AM
D2AC0E55-54F7-4E3D-8098-44EE38800E6B.jpeg
 NARVA HQKRG 250516 views7 commentsOlav16 Dec, 2025 at 09:04 AM
Osram_bulletin_vol_31_April_1954_No_2_extract.pdf
 OSRAM GEC Bulletin, vol.31, April 1954, N°.2 (extract) Lighting for safety in the new towns216 viewsOlav16 Dec, 2025 at 08:52 AM
NATIONAL_100W_a.jpg
 NATIONAL 100W489 views5 commentsOlav16 Dec, 2025 at 04:45 AM
BTH__Lighting_Bulletin_No_9_CIRCUITS_FOR_DISCHARGE_LAMPS_July_1949.pdf
 BTH Lighting Bulletin No.9 , CIRCUITS FOR DISCHARGE LAMPS , July 1949323 viewsOlav16 Dec, 2025 at 03:52 AM
OSRAM_HQL_50W_mcX_a.jpg
 OSRAM HQL 50W 439 views6 commentsOlav15 Dec, 2025 at 11:20 PM
Philips_Technical_Review_v2nr12_1937_the_sodium_lamp.pdf
 Philips_Technical_Review v2nr12_1937_the_sodium_lamp218 views1 commentsOlav15 Dec, 2025 at 11:16 PM
GEC_MBU_1000a.jpg
 GEC MB/U 1000W327 views1 commentsOlav15 Dec, 2025 at 11:16 PM
Philips_Techical_Review_v13nr5_1951_A_new_high-pressure_mercury_lamp_with_fluorescent_bulb.pdf
 Philips_Technical_Review v13nr5_1951 A_new_high-pressure_mercury lamp_with_fluorescent_bulb290 views2 commentsOlav15 Dec, 2025 at 06:54 AM
3_different_PHILIPS_ML_160W_a.jpg
 Three PHILIPS 160W ML(L) lamps in 3 different versions573 views9 commentsOlav14 Dec, 2025 at 11:10 AM
GE_H125_DX_GB_made_code_95.jpg
 GE H125 DX110 views1 commentsOlav14 Dec, 2025 at 10:30 AM
LR_RADIUM_HRL_250_2.jpg
 RADIUM HRL 250 from different times348 views5 commentsOlav13 Dec, 2025 at 08:09 AM
LR_PHILIPS_ML_160_02_1962a.jpg
 PHILIPS ML 160582 views7 commentsOlav13 Dec, 2025 at 08:09 AM
Testbrett__80W_125W_HQL_3_Pin.jpg
 Testing board MB(F)/U 80W and MB(F)/U 125W for B22d-3446 views6 commentsOlav13 Dec, 2025 at 08:09 AM
PHILIPS_HPW_125W_old_a~0.jpg
 PHILIPS HPW 125299 views3 commentsOlav13 Dec, 2025 at 08:09 AM
LR_POLAMP_LR_250_03_80.jpg
 POLAMP LR 250292 views2 commentsOlav13 Dec, 2025 at 08:09 AM
   
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