13
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
32452
3114
2

jan 1, 1902 - The Dalton Calculator

Description:

The Dalton adding-listing machine was the first of its type to use only ten keys - first 10-key add-lister.

Added to timeline:

11 months ago
0
0
129
The Calculator

Date:

jan 1, 1902
Now
~ 116 years ago

Images:

FeedbackAboutTermsPrivacy