Saved by Alex Dobrenko
Curta calculator: The mechanical marvel born in a Nazi death camp
1/?
the (abridged) story of Curt Herzstark, the brilliant Viennese engineer who invented an incredibly complex handheld mechanical calculator in the Buchenwald concentration camp
An Interview with Curt Herzstark
Curt Herzstark discusses the history of the Austrian Calculating Machine Manufacturing Company, his father's inventions and the development of the CURTA hand-held calculator.
conservancy.umn.edu(PDF) The Curta, a Technical Marvel
researchgate.net
Already in 1926-27 while I was in sales, people said again and again, "Yes, that is nice, but isn't there anything smaller?" This was a time when there was a lot of advertising of the calculating machine. Everyone who was a technician, carried his slide rule. But for calculating, the equivalent didn't exist. People again and again said, "Does somet... See more