Addiator, Calculating Machine ; Addiator Gesellschaft; 1920-1930; MT2012.141

Name/Title

Addiator, Calculating Machine

About this object

Addiator, Calculating Machine in a leather walllet. The Addiator is a mechanical add/subtract calculator. This one was used by Tom Weatherburn in the office of the Mataura A Grade Motor Garage from the 1920s. You can find more information about this Garage on page 120 of our book 'Mataura City of the Falls'.

Variants of the Addiator were manufactured from 1920 until 1982. It is composed of sheet-metal sliders inside a metal envelope. Addiators were rendered obsolete by electronic calculators.

Maker

Addiator Gesellschaft

Maker Role

Manufacturer

Date Made

1920-1930

Place Made

Europe, Germany

Medium and Materials

processed material organic leather
processed material metal tin
processed material metal alloy brass
processed material organic fibre paper

Inscription and Marks

Stamped on machine base 'M074154'
on front 'Logo / ADDITION / LSD / ADDIATOR / Patent'
on reverse 'SUBTRACTION /LSD / ADDIATOR / Patent'
Inside wallet, one side ' ADDIATOR / +'
Other side ' - / Addiator '
Stylus has etched 'ADDIATOR'
On Instruction sheet 'CALCULATING MACHINE /Directions for use'

Measurements

Addiator: h 180mm x w 125mm x d 15mm
small
Instruction Sheet: h 290mm x w 210mm
medium
Stylus l160mm x d 30mm
small

Subject and Association Keywords

business/commerce

Credit Line

From the collection of the Mataura and Districts Historical Society Incorporated.

Object Type

equipment

Object number

MT2012.141

Copyright Licence  

All rights reserved

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