Jaap Scherphuis | The SCM 1011 CB adding machine @jaapsch2 | Uploaded July 2022 | Updated October 2024, 5 minutes ago.
The Smith-Corona-Marchant 1011CB adding machine has a very distinctive styling in orange and brown.

For more information about this machine and others in my collection, please visit my website:
jaapsch.net/mechcalc

0:00 Introduction, History
0:45 Addition
2:10 Clearing input, Non-add
2:51 Subtraction
3:55 Repeat, Multiplication
5:00 More history
5:59 Opening the case
7:29 Paper roll
7:55 Outro