Scam Warnings: There are two Curta scams going on right now: One is so-called "Cut Curtas," sold as "rare demonstration models." They are apparently just regular Curtas to which …

Should your CURTA require servicing or repair, it is essential that you entrust your machine only to an authorized CURTA agency. On no account should you attempt to repair or even to …

2008年11月13日 · Click on the Curta Icon in the upper left corner to go to this site's Contents/Collaboration page. The Curta was produced in two basic models:

A Curta documented as being used by a famous inventor or engineer is a significant collector's item and will command a higher auction price. And most important is this: The appearance …

2025年3月13日 · Below is an ordered listing of Curtas and their owners. The Curtas are listed in ascending numerical order using their serial numbers as the index. You can add your name …

2015年3月4日 · The Curta.org Bulletin Board :: View Forum - For Sale

There are a number of factory specified tests that can be performed following service to a Curta. These tests involve positioning the carriage and main body in such a fashion that the gears …

2019年1月31日 · CurtaRepairs -- information on the cleaning, repair, adjustment, and lubrication of the Curta. CurtaRating -- a suggested rating scale for determining the "quality" of a Curta.

Your Complete Curta Portal, for information about Curta and Contina Mechanical Calculators.

2 天之前 · The time now is Sun Mar 30, 2025 5:12 am