Test Sockets and other similar items may be listed on a related page — see Tube Testers and Test Equipment page.

Set of 3 PRECISION REFERENCE CAPACITORS – for capacitor tester rebuild (Sprague Tel-Ohmike, Heathkit, Eico, Knight, Paco, etc…)  For those of you doing your own cap tester repair, I sell a set of precision reference capacitors for $29.99 + $3.50 postage USA/CAN. You get the entire set of 3 reference caps (1 of 200 pf, 1 of 0.02 µf, and 1 of 2.00 µf). All caps accuracy 1% or better and the 200 pf cap will be variable for maximum flexibility.

You NEED precision reference capacitors to achieve an accurate capacitor tester. If you want a 2nd set of precision capacitors to rebuild another unit, or a set to test the accuracy of your own tester, you can buy two sets for $49.99 + $4 postage USA/CAN.

Other values of precision capacitors are available by request. Email for details.

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Ohm’s Law Slide Rule by OHMITE RESISTOR CO. – $10 + $3.50 postage USA/CAN, $5 postage International.  Vintage USA-made.
Tired of trying to do “the math” of Ohm’s Law at your workbench? You need an Ohm’s Law slide rule to make your life easier. Best $10 you will spend.




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NOS NEW Pomona SS-8 OCTAL SOCKET SAVER USA, NOS NEW IN PACKAGE, very rare.  $39.99 each + $3 postage USA/CAN, $5 postage International.  Several available.  Unique opportunity to buy a vintage USA-made Pomona SS-8 Octal socket saver that is truly perfect NOS NEW.




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Seeburg Wallbox Plugs for 3W-1 and 3WA jukebox wallboxes.  $10.  NOS NEW.




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Tube Sockets.  We have a selection of NOS and NEW tube sockets.  Inventory constantly changes, so click the link to see current inventory at our eBay store.