Many sites on the Internet deal with the history and operation of the CURTA calculator , most of them very well done, but very few talk about maintenance, breakdowns and repairs. I will try to fill this gap.
I will also give some tips for judging the state of a machine and its value, as well as tips for storing and using it.
[http://www.curta.fr]
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(last edited December 14, 2017 by UNKNOWN-216-145-53-X.yahoo.com)
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Marc Pellacoeur