Mechanical pinwheel calculator, Brunsviga Model 13RK, with instructional guide

Description

Accession[2013.0112] Business machines, office equipment and ephemera of the National Mutual Life Association of AustralasiaIdentifierUMA-ITE-2013011200013Scope and ContentBrunsviga was a German company, founded in 1871 to manufacture sewing machines and other domestic appliances originally. Besides simple addition, multiplication, division and subtraction functions (subtraction required the user to turn the handle in the opposite direction), this machine was capable of dealing with sophisticated transactions required for calculating interest, e.g. square roots.
Place of manufacture: Braunschweig, GermanyAccess StatusOpen for public accessRequest TypeRequest item

Provenance

CreatorNational Mutual Life Association of AustralasiaRoleProvenance

Dates

Date1952

Description Control

Previous System ID2013.0112.00013

Characteristics

Genre/FormCalculatorsDimensions19cm(H)x28cm(W)x23cm(D)

University of Melbourne Archives

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Mechanical pinwheel calculator, Brunsviga Model 13RK, with instructional guide