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Thread: Odhner Arithmometer pinwheel calculator - video

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    Jon
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    Odhner Arithmometer pinwheel calculator - video

    Odhner Arithmometer pinwheel calculator. Around $200-$700 on eBay, depending on condition.



    Previously:

    Curta mechanical pocket calculator - photos
    Mechanical calculator trying to divide by zero

    More: https://en.wikipedia.org/wiki/Odhner_Arithmometer

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    Beserkleyboy (08-16-2018), PJs (08-16-2018), Saxon Violence (08-16-2018), Seedtick (08-16-2018)

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    Jon, You've jogged my deep memory! We had a lumber yard in Calif from 1946- 1985, Pearson Lumber Co. We had 3 SCM Marchant bohemoth manual calculators that had been converted to motor drive and 2 electric Monroe smaller versions. On Saturday mornings, our busiest retail day, 4 clerks were behind the counter serving away writing triplicate (w/ carbons) yard orders/invoices. The clatter from the carriages of those machines was deafening! Found this site interesting.
    Early Calculators
    pic of Monroe attachedOdhner Arithmometer pinwheel calculator - video-monroe-calculator1.jpg And you can see a brown truck 'door sign'(steel) on the workshop wall in my avatar...
    Cheers,
    Jim Pearson

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    I nicked one of these off a German U-boat
    ( i should have mentioned i'm 47 and faaaaar to young to take an enigma from the Germans)
    Last edited by MeJasonT; 08-18-2018 at 11:18 AM.
    Smoke makes electronics work, if it escapes the equipment breaks.
    Got to keep the smoke in.

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    mklotz mklotz's Avatar
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    The Arithmometer is a lovely example of fully-exposed precision machinery. Beyond its utility as a math tool, it's gorgeous sculpture in my eyes.

    Complex calculators can be beautiful, but simplicity is attractive too. Did you know that the common pocket knife can be used as a planimeter? Read all about it here...

    https://spaco.org/Blacksmithing/FinnishPlanimeter.htm
    ---
    Regards, Marv


    Home Shop Freeware
    http://www.myvirtualnetwork.com/mklotz

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    HaHa!! My Dad was a Captain in the Army and oversaw a Red Ball Express depot....lots of things went through...HEAPS of typewriters were brought in, to few takers, or so Dad said...sooo, a little black market in Remington typewriters to the locals and a connection or 2 and voila! a big diamond for my mum. I only found this out reading a draft copy of a book he had written after my mum died in 2002...
    Cheers


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