Saldorita Adding Machine @jaapsch2

Uploaded July 2024 | Updated September 2026, 46 minutes ago

The Saldorita is a rare adding machine from Sweden. It was probably made in 1938 or 1939.

Thanks to Stephen Freeborn who found the picture of Hugo Sandberg, and made his own video of the Saldorita:
youtube.com/watch?v=gb6OXjNUzvU

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

0:00 Introduction
0:47 History
2:00 Printing mechanism
4:32 Addition
5:30 Clearing
6:24 Subtraction
9:18 Correction
10:16 Mechanism
11:29 Outro

The mechanism of the Archimedes Model D mechanical calculator

The Technidyne Micro-Tally adding machine

The Add-O-Matic adding machine (1947-1949)

The Pocket Counter, a small adding machine

$The Quixsum Fractional Adding Machine The Quixsum Fractional Adding Machine is an adding machine for lengths in feet, inches, and fractions of an inch. It was made in 1924. It is very rare as only about 600 were ever made. Stephen Freeborn has a nice video of it too: https://youtu.be/7f4Q-YwIhKw For more information about this and other machines in my collection, please visit my website: https://www.jaapsch.net/mechcalc/ 0:00 Introduction 0:12 History 1:19 Adding 4:04 Clearing 5:02 Opening case 5:02 Opening case 5:33 Mechanism 6:57 Rarity 7:57 Outro$