30kg of a resistance meter!
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1000V insulation tester (Ganz XS)
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Function generator repair (Hungarian TR-0458/B)
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Reforming Capacitors - Everything you wanted to know
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Retro emergency light (with schematic and waveforms)
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Building an accurate DIY Spectroscope
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Convert Your MULTIMETER into an accurate SHORT CIRCUIT TRACER Finder for less than $1 Build This DIY
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Fixing what somebody else failed to fix (the 2nd nixie multimeter)
37:22