The Brunsviga 11S mechanical calculator

(6:42)

The Brunsviga 11S mechanism in action

(1:46)

Brunsviga 11S mechanical calculator

(31)

Brunsviga 11E - The Iron Brain

(14:53)

The Brunsviga 11E Mechanical Calculator

(6:38)

OLYMPIA WERKE【BRUNSVIGA 11S】calculator

(15)

Brunsviga 11 E Electromechanical Calculator

(5:46)

Brunsviga compound calculator 1918

(8:17)

A collection of 343 old typewriters, calculators, mimeographs from 1780 to 2000s years

(29:5)

Brunsviga 13ZK - Two for the Price of One

(19:18)

Арифмометр Brunsviga, 1935 года - обзор и демонстрация работы

(5:15)

Friden STW 10 Mechanical Calculator Demo

(13:40)

What happens when you divide by zero on a mechanical calculator?

(40)

A century of sounds of 20 different calculators from 1897 to nowadays, from mechanical to electronic

(15:45)

The Russian Felix M calculator

(8:21)

Friden 1217 mechanical calculator

(45)

Inside a mechanical calculator

(6:54)

Brunsviga-Rechenmaschine 13 ZK

(7:12)

Brunsviga 11E

(1:44)

Mechanical Calculator (Brunsviga) - Steampunk Transylvania

(2:25)

Brunsviga 11e mechanical calculator

(30)

BRUNSVIGA 13RM

(8:21)

Brunsviga Nova II mechanical calculator

(7:34)

short crank Brunsviga

(58)

Web accessible Brunsviga 13RK

(17)

1914 Brunsviga MA Midget German Pin-Wheel Calculating Machine

(10:11)

The Brunsviga 10 mechanical calculator

(9:26)

BRUNSVIGA mechanical Calculator - adding 10000000001 to 999999999

(32)

Brunsviga calculation

(1:13)

The mechanism of the Brunsviga 10

(8:27)