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BTH__Lighting_Bulletin_No_9_CIRCUITS_FOR_DISCHARGE_LAMPS_July_1949.pdf
 BTH Lighting Bulletin No.9 , CIRCUITS FOR DISCHARGE LAMPS , July 19493 viewsOlav12 Jul, 2024
Philips_Technical_Review_v23nr8_9_1961_1962_recent_improvements_in_sodium_lamps.pdf
 Philips_Technical Review_v23nr8_9 1961_1962_recent_improvements in_sodium_lamps4 viewsOlav07 Jun, 2024
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 towns9 viewsOlav04 Jun, 2024
Philips_Technical_Review_v2nr12_1937_the_sodium_lamp.pdf
 Philips_Technical_Review v2nr12_1937_the_sodium_lamp6 views1 commentsOlav04 Jun, 2024
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_bulb11 views2 commentsOlav03 Jun, 2024
Philips_Technical_Review_v1nr5_1936_the_mercury_vapour_lamp_HP_300.pdf
 Philips_Technical_Review v1nr5_1936 the_mercury vapour_lamp_HP_3008 viewsOlav03 Jun, 2024
3_different_PHILIPS_ML_160W_a.jpg
 Three PHILIPS 160W ML(L) lamps in 3 different versions31 views9 commentsOlav07 Apr, 2024
GEC_MBU_1000a.jpg
 GEC MB/U 1000W6 views1 commentsOlav18 Jan, 2024
NATIONAL_100W_a.jpg
 NATIONAL 100W16 views5 commentsOlav21 Oct, 2023
Testbrett__80W_125W_HQL_3_Pin.jpg
 Testing board MB(F)/U 80W and MB(F)/U 125W for B22d-321 views6 commentsOlav17 Mar, 2022
PHILIPS_HPW_125W_old_a~0.jpg
 PHILIPS HPW 12515 views3 commentsOlav13 Mar, 2022
PHILIPS_HPW_125W_old_a.jpg
 PHILIPS HPW 12510 viewsOlav13 Mar, 2022
D2AC0E55-54F7-4E3D-8098-44EE38800E6B.jpeg
 NARVA HQKRG 25022 views7 commentsOlav09 Jan, 2022
NARVA_NF_80_21_74.jpg
 NARVA NF 80-21 7424 views8 commentsOlav04 Jan, 2022
LR_PHILIPS_HO_1000_OSRAM_HgH_2000.jpg
 PHILIPS HO 1000 and OSRAM HgH 200030 views7 commentsOlav07 Dec, 2021
LR_POLAMP_LR_250_03_80.jpg
 POLAMP LR 25018 views2 commentsOlav29 Nov, 2021
LR_OSRAM_HQA_1000_start.jpg
 OSRAM HQA 100029 views7 commentsOlav24 Nov, 2021
LR_RADIUM_HRL_250_2.jpg
 RADIUM HRL 250 from different times17 views5 commentsOlav18 Nov, 2021
LR_PHILIPS_ML_160_02_1962a.jpg
 PHILIPS ML 16021 views7 commentsOlav15 Nov, 2021
OSRAM_HQL_50W_mcX_a.jpg
 OSRAM HQL 50W 19 views6 commentsOlav10 Nov, 2021
       
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