
BTH Lighting Bulletin No.9 , CIRCUITS FOR DISCHARGE LAMPS , July 19495 viewsOlav
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OSRAM GEC Bulletin, vol.31, April 1954, N°.2 (extract) Lighting for safety in the new towns9 viewsOlav
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Philips_Technical_Review v13nr5_1951 A_new_high-pressure_mercury lamp_with_fluorescent_bulb12 viewsOlav
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Philips_Technical_Review v1nr5_1936 the_mercury vapour_lamp_HP_30010 viewsOlav
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Philips_Technical Review_v23nr8_9 1961_1962_recent_improvements in_sodium_lamps6 viewsOlav
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Philips_Technical_Review v2nr12_1937_the_sodium_lamp6 viewsOlav
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