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Curta calculator was created in 1948.
I habe one Curta I with the number 4020, bought 1955. Whats is for you a fortune? Kind regards, Lorenzo
loderungs@bluewin.ch
Raphitoma curta was created in 1942.
The best that I have seen in the internet is the Curta Calculator.
Bogdan Curta was born on 1982-09-13.