knobs for switches for sale, brand-new and used.

This Ebay item is a equipment by Mech-Tronics NUCLEAR. It is a NIM Computer plug-in module # 605. IT says it is a NUCLEAR DISCRIMINATOR .

This Ebay Item is by "CANBERRA Industries Inc.". It is a CI DIGITAL STABILIZER plug-in Model # 1510. This is clean & in good physical condition.

This Ebay Item is Versa-Lite Systems, Inc Power Supply model # 140-WF. This seems to powers up fine . All the knobs, switches & connections are fine & undamaged.

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General Radio Type 1390-A Random Noise Generator. All knobs and switches move fine. NOT TESTED, NO power cord.

TESTING & FUNCTIONAL NOTES:

HP 222A PULSE GENERATOR, great condition, knobs and switches work perfect, the unit does have power and the fan and light works when it is powered up, but it has not been tested for its function or use. Power cord is not included with the unit.

Hello, You are bidding/looking at: Datapulse Model 110B Pulse Generator - Untested This item is from an estate auction from a huge lot of vintage electrical components, testing equipment and radios. This item is used and has visible wear, plastic screen sides have alot of scratches, face plate shows some wear and staining from use. All knobs, button and switches are unbroken and move.

Heathkit IG-102 / RF-1 Signal Generator in Excellent Calibrated Condition (The RF-1 is the same as the Heathkit IG-102 with a different color front panel. Internal construction and operating specs are identical.) This Heathkit signal generator is in excellent condition. It has been checked out and the Heathkit calibration procedure performed.

Used with some wear. But in overall good condition. Nice addition.

TESTING & COSMETIC NOTES:

Precision E-400 Sweep Generator I must have acquired this 25 or more years ago. I have never powered it up. All the switches and knobs move as they should.

I'm not really sure on the complete functionality of this item. I don't have a real good way of testing it. I was able to make the signal generator make some noise but out of the EXT in.  The power button is a litt

Up for your consideration is a Heathkit Vector Monitor. I am unaware of the working condition of this unit. I don't know how to tell if it actually works.

This Ebay listing is for ONE Compuvideo SRV-1100DV Waveform Monitor / Vectorscope. This just came in from a major animation studio here in Northern California. It's in perfect working order with only a few minor scuffs on the top cover.

Vintage RCA Color Television Generator WR-64B TV Picture Tube Tester Untested This was my Dads for television repair. I plugged it in and the power light comes on. All of the switches and knobs operate properly.

This Ebay item is used equipment by John Fluke MFG CO Inc. IT is a FLUKE 1953A Counter Timer as pictured. Its powers up fine & the display is bright.

Jackson Model 648S Tube Tester, excellent condition. Although not as common as the B&K or Hickok testers, this is a very well made and documented unit. Full manual and service information book (including calibration) is available on Ebay (NOT included with this auction).

>>>>VINTAGE RCP (RADIO CITY PRODUCTS) MODEL 808 AA VACUUM TUBE TESTER,USED,TESTED WITH ALL LIGHTS,SWITCHES AND KNOBS IN VERY GOOD WORKING CONDITION.I HAVE TESTED SOME TUBES AND WORKS AS IT SHOULD.IT WEIGHS 14 POUNDS UNPACKED. ****** WORLDWIDE SHIPPING WILL BE BY USPS priority mail. *****QUESTIONS ARE ALWAYS WELCOME.

You are looking at an RD Instruments 1575 Tube Tester. This tester is similar to the Hickok 539B or the Western Electric KS-15750. Overall, it is in good used condition.