For years Curta calculators enjoyed a cult status among collectors, and as recently as in 2003 they were featured in William Gibson's "Pattern Recognition" book. However, I daresay, not featured enough. This marvel of mechanical engineering should be given more exposure, especially given the bizarre and spooky circumstances of its origin.
Entirely mechanical, no electricity or batteries involved.
- Designed by Curt Herzstark in 1938 and perfected inside a concentration camp.
- Considered to be the most efficient portable calculator (until electronic calculators came in the 70s)
- Simply a thing of beauty, stunning piece of engineering art.
Take this glorified pepper-grinder shape in your hand, set the multiple sliders and turn the computing handle - and this groovy gadget starts to make a wizzing, almost musical sound. There is no electricity, wires, or batteries! Just a sophisticated package of miniature cogs and parts, that is a joy to disassemble and put together again...
Generally an arithmometer with multiple cogs and stepped drum mechanism, there is however a lot to disassemble. See a poster of all the parts inside, available for purchase on this site (the most comprehensive we could find on the topic):
Perfected in a concentration camp, as a gift to Hitler!Probably the weirdest story of invention ever told:
Working on this device saved the life of its inventor, and could've put "the ultimate computing weapon" into the hands of every Nazi army engineer... pretty much the stuff of nightmares.
"Herzstark was a prisoner at Buchenwald but the camp leaders were aware of his work and encouraged it. They apparently wanted to give the invention to the Fuehrer as a victory gift at the end of the war! Herzstark was given a drawing board and worked on the design day and night. The camp was liberated in April, 1945 by the Americans. Herzstark survived as did his revolutionary concept for a miniature calculator." (source: Bruce Flamm)
Disassembly of a mechanical marvel: It has 605 individual parts!
It must be very therapeutic and calming experience (you know how in the army they make soldiers to take apart and clean their guns, a repetitive ritual that calms down and reduces the chances of a shooting spree - I am being sarcastic here) Well, the antique calculator collectors are a cool bunch and not easily given to any angst - but they too, gladly, would spend hours taking apart this little calculating device. The best page showing the disassembly and wonderful innards of this device are located here. Here are only a few steps, highlighting the joy of this process:
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