Untested HP 04285-61001 Resistor from https://www.ebay.com/itm/223000491699

Agilent HP 16048D Test Leads from https://www.ebay.com/itm/223000397226

HV15HF 15 kV High Voltage Probe from https://www.ebay.com/itm/323281340877

Musiland Moli HiFi PCI Sound Card from https://www.ebay.com/itm/323281220814

National Instruments NI PXIe-1073 Controller from https://www.ebay.com/itm/222998099108

Tektronix TDP0500 Differential Probe 500 MHz with Accessories from https://www.ebay.com/itm/222995308741

3dfx Voodoo3 3000 / 2000 16 MB AGP Video Graphics Card from https://www.ebay.com/itm/222991678509

3dfx Voodoo2 12 MB PCI Video Graphics Card from https://www.ebay.com/itm/323272054280

3dfx Voodoo3 1000 16MB AGP Video Graphics Card from https://www.ebay.com/itm/323272030157

3DFX VOODOO5 5500 64MB Video Graphics Card from https://www.ebay.com/itm/323271956848

Mettler Toledo HA405-DPA-SC-S8/120 Combination PH P/N: 59903227 from https://www.ebay.com/itm/222990235355

Mettler Toledo InPro 4260 SG/120/PT1000 PH Probe P/N: 52003546 from https://www.ebay.com/itm/222990212859

Mettler Toledo 405-DPAS-SC-K8S/120 Combination PH Probe P/N: 59903230 from https://www.ebay.com/itm/323270565782

Mettler Toledo InPro4260/120/PT1000 Combination PH Probe P/N: 52002987 from https://www.ebay.com/itm/323270486667

Tektronix AM503B Current Probe Amplifier Tested from https://www.ebay.com/itm/323270420303

Creative Sound Blaster SB0730 X-Fi Xtreme Gamer 7.1 Channel PCI Sound Card from https://www.ebay.com/itm/323268261328

Agilent HP E5404A Single Ended Soft Touch Connectorless Probe from https://www.ebay.com/itm/222986288291

Mettler Toledo InPro6850i G/12/120 Oxygen Sensor P/N 52206431 from https://www.ebay.com/itm/323258430518

LeCroy HFP1500 1.5 GHz Active High Frequency Oscilloscope Probe with Accessories from https://www.ebay.com/itm/222965077101