Stock No. C1182




A Curta calculator c1968

  • A type I Curta calculator, complete with its original plastic canister case. The underside of the Curta is marked System Curt Herzstark Made in Liechtenstein by Contina AG Mauren Type I No 72207.  
  • The calculator has 8 digits for data entry, a 6-digit revolution counter, and an 11-digit result counter. Type I Curta calculators started production in 1947, this example was made circa 1968, not long before production ceased in 1970. The calculator is in good working order and in very good condition (slight corrosion to screws on underside of case).
  • The Curta, a small hand-cranked mechanical calculator, was designed by Curt Herzstark and first introduced in 1947, the larger type II version was introduced in 1954. The calculator has an extremely compact design and can be used to perform addition, subtraction, multiplication, division, and with more difficulty square roots and other mathematical operations.
  • For more details of the Curta calculator and its history see and The two essential operating manuals (Your Curta Calculator and Computing Examples for the Curta Calcutating Machine) can be downloaded from the web at:


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