My reviews & how-tos for adding machines and other antique calculating devices.
Curated by: Chris Staecker (120 videos)
The Addac, from the 1920s. A coaxial dial adding machine. This is episode 45 of my video series about calculating devices. End song inspired by "Hotter than a molotov" by The Coup. Chris Staecker webarea: http://cstaecker.fairfield.edu/~cstaecker