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2016 • The World’s Smallest Mechanical Parallel Calculator: Discovery of Original Drawings and Patent Documents from the 1950s in Switzerland

Authors: Herbert Bruderer

Abstract: International audience; The Austrian engineer Curt Herzstark invented the world-renowned mechanical pocket calculator Curta. The books and the papers on the history of computing mention two models, Curta 1 and Curta 2. In November 2015 original drawings and patent documents on a multiple Curta were discovered in Switzerland. This device is supposed to be the world’s smallest mechanical parallel calculator.

External links: OpenAIRE

Works in BIP! associated with the specified OpenAIRE research product

The World’s Smallest Mechanical Parallel Calculator: Discovery of Original Drawings and (...)

Herbert Bruderer

IFIP Advances in Information and Communication Technology · 2016

Engineering drawing | Information retrieval | Computer graphics (images) |

Open Access

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