The Curta.org Bulletin Board

[abmLondon]

Hi,

I just picked up my first curta, it's a type II.
Addition and multiplication seems fine but subtraction and division is a bit off. I tried subtracting 1 so all the dials read 9, then add 1, the results dial (black) seems fine but the counter (sliver) does not, it shows 99999000, then if I subtract some more I can see the 5th and 8th digits moving. Also, if I set the counter to 99999999 and try to add 1, 10, 100, 1000 etc, I can see the correct digit move and it rolls over only the next 2 digits to the left but no more.

I don't really want to take it apart but does anyone know what the problem could be here?

Or if there's a good place that would service/fix in the UK?

[murff]

Most likely, your Curta has errors in the tens transmission area. This is not easy to fix even with good knowledge of the Curta. The reasons can be different - ideally it is just some dirt, but it can also be a mechanical defect.

The only address for a solid repair is Romano's Curta service: http://www.curtaservice.it/

No UK service known...
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