[libstripper]

I have a device somewhat like it in obsolesence and present functionality, although it’s not a car. It’s a Curta Calculator that I bought in early 1970 when I began my first private sector job as an attorney doing estates and trusts. It’s an entirely manual device that adds, subtracts, and multiplies out to, IIRC, 12 figures. At the time it cost about $175.00. It became totally obsolete about 2 years later with the introduction of the first electronic calculators. I still have it with its instructions, case, and original box. Since it looks like a combination of a coffee grinder and grenade, I’ve not tried to take it on any air planes.

[ridesthemiles]

How similar is it to the manual Felt & Tarrant Comptometers???

[Yardstick]

There was a FR thread a few months back that had video of a Curta calculator. Pretty cool device. Had a little crank on top that you turned and the digits would register around the outer rim.

[kosciusko51]

I saw a Curta at the Computer History Museum. Very cool. Your description jogged my memory of it.

[warsaw44]

Curta Calculator

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Go on ebay and search using that above term - brother, those things bring some heavy cake! And that is without the case, instructions, box. One sold with a buy it now option for $1,500.00.