Die Wiener Ingenieurfamilie Herzstark und die Erfindung der Rechenmaschine CURTA

The Herzstark family of engineers from Vienna and the invention of the CURTA calculating machine



A report by Professor Erhard Anthes (first published in "Blätter für Technikgeschichte" - Vol. 46/47, 1984/85)

Most of the images were provided by Curt Herzstark.

Online publication at curta.li