Radiometer Copenhagen OSG 42b Oscilloscope Repair, From The 1950’ish

The previous owner of this Danish vintage oscilloscope had tried to plug it in and the only result was smoke! I was asked if I wanted it for repair or it would be thrown out. The Radiometer Copenhagen OSG 42b …

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Large Tesla Coil – Kaizer DRSSTC 3 – Test After 5 Years In Storage

The time is finally right for testing the large DRSSTC. A iron dummy load is used to test the primary circuit at up to 2000 A! After 4-5 long years in storage, moving around, getting kids, buying a house, move …

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DSO138, Not Even Once

Before you buy a DSO138 or DSO150 from eBay, Amazon, wish or Ali Express, it is important to understand what you are getting. The specifications are very loosely written and what looks good on paper is useless in practical use. …

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