Machines a Calculer

UNIVERSAL CALCULATOR, 1924

Inventor
Jean BERGMANN (Germany)
Invention date
Unknown
Manufacturing date:
1924
Manufacturing location
Berlin, Germany
Manufacturer
Jean BERGMANN editor
Dimensions
L 40 W 15 H 3
Reference Number
141
UNIVERSAL CALCULATOR

History and Functionality

According to its designer, John BERGMANN (Germany), this calculator is universal:

“A subledger applicable to any kind of math! It replaces and exceeds all existing calculating machines! This is a real success of our time! Consulting the tables is finding the product!”

This table enables multiplication of five digits, division by two digits, calculations of profit on sales prices, English and French currency conversions, calculations of prices, and computation of discounted interests.

Are you interested in adding this machine to your collection?