Condition: Used, very clean condition pulled from a well maintained federal government facility. Guaranteed working, sold with our no-hassle 30-day return warranty. See photos of actual item.Includes: The 10529A Logic Comparator Unit One Self-Test Card (part number 10529-60004): A special card used to verify that the comparator is functioning correctly. Ten Blank Reference Boards (part number 10529-20005): These are small circuit boards where you would solder a "known-good" reference IC for comparison. A Programmable Socket Board: This board allows you to set switches to identify which pins of the IC are inputs and which are outputs. A Carrying Case: A case to store and transport the unit and its accessories. A W' twist drill with knob: This was a tool used to modify the reference boards to specify which pins were outputs. The user manual and addendum.
