Uploaded December 2020 | Updated September 2026, 1 hour ago
The Stima CM-III Adding Machine was made in Switzerland from 1930 till the late 1940s. If you use a stylus to enter a number on the 9 vertical sliders, it gets added to the number shown in the main register.
For more information on the Stima and on other machines in my collection, please visit my website:
jaapsch.net/mechcalc
0:00 Introduction
0:22 Addition
1:33 Clearing
1:42 Multiplication
2:29 Models
3:32 Serial number
4:02 Stima
4:33 Outro
The Stima CM-III Adding Machine was made in Switzerland from 1930 till the late 1940s. If you use a stylus to enter a number on the 9 vertical sliders, it gets added to the number shown in the main register.
For more information on the Stima and on other machines in my collection, please visit my website:
jaapsch.net/mechcalc
0:00 Introduction
0:22 Addition
1:33 Clearing
1:42 Multiplication
2:29 Models
3:32 Serial number
4:02 Stima
4:33 Outro










