My reviews & how-tos for adding machines and other antique calculating devices.
Curated by: Chris Staecker (120 videos)
The Resulta P9 from the 1960s. This is episode 25 of my video series about calculating devices. End song inspired by "Hotter Than a Molotov" by The Coup. Resulta 9 photo from http://public.beuth-hochschule.de/hamann/resulta/res9exp.html Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker