Todd Visible Adding Machine Review / HowTo
Chris Staecker
0:00 / 0:00
Todd Visible Adding Machine Review / HowTo
9 829 просмотров · 9 л. назад
Chris Staecker
64,2 тыс. подписчиков
9 829 просмотров · 9 л. назад
The Todd Visible Adding Machine, from the 1920s.
This is episode 5 of my video series about calculating devices.
Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker/
