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Modified generator for use with 2N2222MedvedJan 15, 2021
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Generator for 455kHz alignmentMedvedJan 10, 2021
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Fluorescent "starter"MedvedJul 01, 2019
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Line telephone intercomMedvedApr 09, 2019
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Detail of the most inefficient T5MedvedJun 27, 2016
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One of the most stupid lighting instalationMedvedJun 27, 2016
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What is this ballast about?MedvedOct 11, 2015
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Duracell foldable search/fluorescent flood/hazard flasher lanternMedvedJan 27, 2015
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Elektrosvit 14 633 military lanternMedvedJan 27, 2015
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JohnLite "6-in-1" multipurpose lanternMedvedJan 25, 2015
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Pocket Energizer lampMedvedJan 18, 2015
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Ballast schematic of the F4T5BLB pocket lightMedvedJan 18, 2015
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Energizer pocket lightMedvedJan 18, 2015
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Pocket UV BLB / incandescent torch comboMedvedJan 18, 2015
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Solid state vibrator replacement for fluorescents likee Browning Porta LightMedvedJan 18, 2015
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