Jaap Scherphuis | The Triumphator KA adding machine @jaapsch2 | Uploaded June 2019 | Updated October 2024, 1 hour ago.
The Triumphator KA is an adding machine made in Leipzig, East Germany, in about 1960. It has an 8-digit register and can add and subtract.

For more information on the Triumphator KA and other mechanical calculators in my collection, visit my website:
jaapsch.net/mechcalc

0:00 Introduction
0:17 Addition
1:08 Subtraction
1:40 Clearing
1:50 History
3:43 Mechanism
6:28 Outro