My reviews & how-tos for adding machines and other antique calculating devices.
Curated by: Chris Staecker (120 videos)
The Numbring Nines rods, published in 1684. It's ANOTHER set of calculator sticks from the 1600s. Download & print here: https://faculty.fairfield.edu/cstaecker/machines/numbringnines.html This is episode 61 of my video series about old calculating devices. End song inspired by "Hotter than a Molotov" by The Coup. Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker #betterbones