The electrolytics appearing on the surplus market have often been in storage for a very long period indeed. The circuit shown in the sketch above works reasonably well. Anything from 20K-50K will do, as this is far from a precision process.
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Manufactured in the United Kingdom by Mullard, these PCB-mount capacitors are a valuable addition to any collection. 1.5UF 250V TROPICAL FISH CAPACITOR. THESE ARE NEW UNUSED PARTS IN PERFECT CONDITION.
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30 X 2222.733.19104 50V 0.1UF. RADIAL LONG LEGS 5mm PITCH. I MAY BE BEATEN ON PRICE BUT NOT ON QUALITY!
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2.5-22pF variable capacitance. Fast dispatch. Top adjust, green colour body.
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