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Filtered sodium lampMax
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Hellermann Sleeving ToolRia
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Mains voltage XLR connectorsRia
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13A Plug Checker CardRia
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Lucy Zodion NEMA shorting capsRia
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Ongoing test with an HID uplighterMax
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Lamp coupling experimentMax
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Porcelain B22d-3 lampholderRia
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Testing a rare white sodium lampMax
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Deuterium reference lamp systemMax
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Deuterium source lamphouseMax
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Deuterium lamp in operationMax
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Four Aspect Railway signal sequenceRia
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Lamp test setupMax
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General test setupMax
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Now for summat completely different...Sammi
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Ballast cooling fan Mk ISammi
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Capacitive influenceMax
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Sparks in a XenecoMax
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Running high-voltage discharge lamps on 230 V mainsMax
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Martindale FL30 Lamp TesterRia
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Base for Osram-GEC 280W SOI/H LampRia
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Spectral evolution of a sodium lampMax
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