RetroCalculators.com

Reckon with Style!
Home     Guest Book (say hello!)     Site Map     Contact Us      

Curta Calculator - System Curt Herzstark

Back 


Curta Mechanical Calculator Type I with case
System Curt Herzstark Contina AG Mauren Liechtenstein
 

The astounding Curta is very famous, and deservedly so, for its extremely compact and pleasing design, as well as its fascinating history.

Here is a blurry video demonstration (Can't see the play button? try refreshing your browser via the F5 key):
(if video won't show, enable javascript and download the latest Macromedia Flash Player)

(Note: if you enjoyed the video, I'd be grateful if you would follow this link to the astounding Curta Mechanical Calculator on youtube and give it a kindly video rating by clicking on the stars - thanks!)



The article excerpted below describes the horror that Hertzstark overcame while developing the calculator from a nazi concentration camp during World War II.

An excerpt from The Curious History of the First Pocket Calculator by Cliff Stoll Scientific American Magazine January 2004 Page 86
An excerpt from The Curious History of the First Pocket Calculator by Cliff Stoll
Scientific American Magazine January 2004 Page 86
Purchase/download at: http://www.scientificamerican.com/article/the-curious-history-of-th/



 

 
The Curta Mechanical Calculator



A Pair of Curta Demonstration Model Calculators with Containers
A pair of Curta demonstration model calculators with containers.
These rare demonstration models were machined to expose the mechanism.
The top is an earlier example, as indicated by the dome-shaped crank handle.
(source ebay collectors-joy)
 
 
A Curta Demonstration Model Calculator (source ebay collectors-joy)
Three angled views of a Curta demonstration model calculator.
(source ebay collectors-joy)



Curta Calculator Type I with rare leather case (source ebay jerimiah03)
Curta calculator Type I with rare leather case (source ebay)



Curta Type II with Instructions, Container, Box and leather case (source ebay)
Curta Type II with Instructions, Container, Box and leather case (source ebay)



Also check out the Pilot Mechanical Calculator
Though not as small as the Curta - it packed a nice punch for its size.
         



Links    
 
The ultimate curta site: http://www.vcalc.net/cu.htm
The hp calculator museum: http://www.hpmuseum.org/ffcurta.htm
The vintage calculator web museum: http://www.vintagecalculators.com/html/the_amazing_curta.html
The famous and wonderful Cliff Stohl article in Scientific American may be available as a pdf here.
History of Calculators: http://www.nzeldes.com/HOC/Curta.htm
There is a neat virtual reality simulator (which requires download of a viewer) here.