Philips_Technical_Review v2nr12_1937_the_sodium_lamp8 viewsOlav06/06/24 at 20:13Andy: Thanks for this upload Olav, it makes for a good r...
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Philips_Technical_Review v13nr5_1951 A_new_high-pressure_mercury lamp_with_fluorescent_bulb14 viewsOlav04/06/24 at 14:15Olav: Thanks Rich, you are right. The book from John F. ...
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Philips_Technical_Review v13nr5_1951 A_new_high-pressure_mercury lamp_with_fluorescent_bulb14 viewsOlav04/06/24 at 09:03AngryHorse: Very interesting read Olav, John F. Waymouth also ...
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