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Add-O-Matic Adding Machine Antique circa 1937

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Uploaded by on Jan 30, 2007

Add-O-Matic Adding Machine, demonstration of a retro adding machine. Visit RetroCalculators.com

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Howto & Style

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Standard YouTube License

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Top Comments

  • looks like something from bioshock.

  • You have to reset it manually by adding to get 0 in each column, working from right to left - a bit of a pain! -rich

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All Comments (12)

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  • 0:48 that's what she said!

  • If I were you I would like a calculator even though I like vintage items.

    I also think you missed out on buying a calculator in the late 1960's.

    RetroVintageItems27

  • how does it reset?

  • The reset button costed extra!!!

  • Similar to an Addiator but with automatic tens carry.

  • dont you have a calculator in each fhone now?

  • How do you reset it?

  • cool i want one

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