Cobbling together a microfilm reader to explore a promising vintage microfiche find.

A microfilm find from a subscriber may have landed us a cross-reference list for old HP parts. Which would be a key find for vintage HP instruments repair! We quickly hack out a microfiche scanner with an Andonstar 207 electronic microscope to find out. Andonstar 207 (no affiliation with the company): Our sponsor for PCBs: Support the team on Patreon: Buy shirts on Teespring: Learn more on the companion site: Contact info: