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GE_H125_DX_GB_made_code_95.jpg
 GE H125 DX107 views1 commentsOlav13 Dec, 2025 at 01:42 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 towns198 viewsOlav11 Dec, 2025 at 02:55 PM
GEC_MBU_1000a.jpg
 GEC MB/U 1000W324 views1 commentsOlav11 Dec, 2025 at 02:55 PM
NARVA_NF_80_21_74.jpg
 NARVA NF 80-21 74558 views8 commentsOlav11 Dec, 2025 at 02:55 PM
Testbrett__80W_125W_HQL_3_Pin.jpg
 Testing board MB(F)/U 80W and MB(F)/U 125W for B22d-3445 views6 commentsOlav11 Dec, 2025 at 02:55 PM
3_different_PHILIPS_ML_160W_a.jpg
 Three PHILIPS 160W ML(L) lamps in 3 different versions570 views9 commentsOlav11 Dec, 2025 at 02:55 PM
LR_RADIUM_HRL_250_2.jpg
 RADIUM HRL 250 from different times347 views5 commentsOlav11 Dec, 2025 at 02:55 PM
Philips_Technical_Review_v2nr12_1937_the_sodium_lamp.pdf
 Philips_Technical_Review v2nr12_1937_the_sodium_lamp201 views1 commentsOlav11 Dec, 2025 at 02:55 PM
Philips_Technical_Review_v1nr5_1936_the_mercury_vapour_lamp_HP_300.pdf
 Philips_Technical_Review v1nr5_1936 the_mercury vapour_lamp_HP_300175 viewsOlav11 Dec, 2025 at 02:55 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_bulb274 views2 commentsOlav11 Dec, 2025 at 02:55 PM
BTH__Lighting_Bulletin_No_9_CIRCUITS_FOR_DISCHARGE_LAMPS_July_1949.pdf
 BTH Lighting Bulletin No.9 , CIRCUITS FOR DISCHARGE LAMPS , July 1949319 viewsOlav11 Dec, 2025 at 02:55 PM
LR_PHILIPS_ML_160_02_1962a.jpg
 PHILIPS ML 160581 views7 commentsOlav11 Dec, 2025 at 02:55 PM
LR_OSRAM_HQA_1000_start.jpg
 OSRAM HQA 1000465 views7 commentsOlav11 Dec, 2025 at 02:55 PM
PHILIPS_HPW_125W_old_a.jpg
 PHILIPS HPW 125173 viewsOlav11 Dec, 2025 at 02:55 PM
PHILIPS_HPW_125W_old_a~0.jpg
 PHILIPS HPW 125298 views3 commentsOlav11 Dec, 2025 at 02:55 PM
NATIONAL_100W_a.jpg
 NATIONAL 100W473 views5 commentsOlav11 Dec, 2025 at 02:55 PM
D2AC0E55-54F7-4E3D-8098-44EE38800E6B.jpeg
 NARVA HQKRG 250514 views7 commentsOlav11 Dec, 2025 at 02:55 PM
LR_POLAMP_LR_250_03_80.jpg
 POLAMP LR 250291 views2 commentsOlav11 Dec, 2025 at 02:55 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_lamps215 viewsOlav11 Dec, 2025 at 02:54 PM
LR_PHILIPS_HO_1000_OSRAM_HgH_2000.jpg
 PHILIPS HO 1000 and OSRAM HgH 2000474 views7 commentsOlav11 Dec, 2025 at 02:54 PM
OSRAM_HQL_50W_mcX_a.jpg
 OSRAM HQL 50W 437 views6 commentsOlav11 Dec, 2025 at 02:53 PM
NARVA_HQLG_80W_94_collage.jpg
 NARVA HQLG 80 W234 views1 commentsOlav11 Dec, 2025 at 02:51 PM
   
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