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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Old School PLC Drum/Sequencer Programming with Telemecanique TSX Nano PLC

Having fun with the Schneider Automation / Telemecanique TSX Nano PLC. Its DOS based PL7-07 program IDE features a neat DRUM programming block that is a merge of old school mechanical control technique merged into modern programming for industrial control. …

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