Curta Service

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Your Curta needs to be cleaned or repaired? Here is a list of specialists who can help you, in alphabetical order:

Jack Christensen, Timewise
32 Old barn Road
Hawthorn Woods, Illinois 60047
(847) 550-5052 (evenings)

email to:

Romano Manaresi
Italy Curta Service - Centro italiano assistenza Curta
Bergamo, Italy

email to: (English and Italian)

Hans-Rudolf Roshard
Schoental 10
CH 8126 Zumikon
Tel. +41 44 918 09 86

email to: (Deutsche) ( English)

Greg Saville

email to:

Bernd Schroeder
In der Au 2c
52379 Langerwehe-Schlich

email to: (English and Deutsche)

Here you can see the original Curta Type 1 & 2 Service Handbook in German:

Curta 1 Service-Handbuch (1967) - Curt Herzstark Rechenmaschine:

Curta 2 Service-Handbuch (1967) - Curt Herzstark Rechenmaschine:

If you feel confident enough to disassembly your Curta to try to repair it or simply to enjoy an inside view of this wonderful machine with over 600 pieces (type I) or 700 pieces (type II) you may see this links, but, please do it with extreme care!

"Disassembling a Curta Calculator, What's Inside?" by Greg A. Saville:

"Curta Disassembly" from "The Calculator Reference":

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