1990s HP 3488A HP-IB Programmable Switch/Control Unit - Parts/Repair

1990s HP 3488A HP-IB Programmable Switch/Control Unit - Parts/Repair no card

1990s HP 3488A HP-IB Programmable Switch/Control Unit - Passes Self Test

1990s HP 3488A HP-IB Programmable Switch/Control Unit - Parts/Repair no card

Vintage 1980s Micronta 7-Day Programmable Timer Cat. 63-889 Radio Shack Works

Archer 276-1787 Programmable Sound Generator IC Free Shipping

Hewlett Packard HP 3465A Digital Multimeter Untested Repair Or Parts Vintage

Vintage Realistic PRO-2003 300 Channel Programmable FM Scanner Tested Working