Some old Instruments of my collection

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My tube tester collection.

Now I understand why the IT-28 is so much sought after on Ebay.

Weller WECP-20 is my favority solder iron. Read here some information about it, and how to do a modification for a red-green LED.

This is really something very simply and unspectacular,but extremely handy to measure plate current in random amplifiers.