4 Matching Annotations
  1. Jan 2024
  2. www.mccoys-kecatalogs.com www.mccoys-kecatalogs.com
    Zlotnian Calculator
    1
    1. chrisaldrich 31 Jan 2024

      https://www.mccoys-kecatalogs.com/SpecialSubjects/Zlotnian_Calculator/zlotnian.htm

      counting mathematics calculating machines Zlotnian calculator toys
    Visit annotations in context

    Tags

    Annotators

    URL

    mccoys-kecatalogs.com/SpecialSubjects/Zlotnian_Calculator/zlotnian.htm
  3. www.mccoys-kecatalogs.com www.mccoys-kecatalogs.com
    Zlotnian Calculator
    1
    1. chrisaldrich 31 Jan 2024

      https://www.mccoys-kecatalogs.com/SpecialSubjects/Fingers_Calculator/fingers_calculator.htm

      mathematics fingers calculator calculators calculating machines
    Visit annotations in context

    Tags

    Annotators

    URL

    mccoys-kecatalogs.com/SpecialSubjects/Fingers_Calculator/fingers_calculator.htm
  4. Jun 2022
  5. www.youtube.com www.youtube.com
    Japan's ancient secret to better cognitive memory - BBC REEL
    1
    1. chrisaldrich 12 Jun 2022

      https://www.youtube.com/watch?v=s6OmqXCsYt8

      It's often said that, 'The hand is the visible part of our brain.'

      see also: https://en.wikipedia.org/wiki/Soroban

      abacus tools for thought embodied cognition watch soroban mathematics calculating machines memory concentration
    Visit annotations in context

    Tags

    Annotators

    URL

    youtube.com/watch
  6. Dec 2021
  7. Local file Local file
    Where Does Niklas Luhmann's Card Index Come From?
    1
    1. chrisaldrich 11 Dec 2021
      It is telling that during the same period in which Harrison invented his Ark of Studies, the first calculating machines were tested in Europe: the famous cista mathematica by Athanasius Kircher, the or-ganum mathematicum by Kaspar Schott, and the cistula by Gottfried Wilhelm Leibniz.

      Keep in mind that Leibniz actually had a version of Harrison's cabinet in his possession. (cf. Paper Machines)

      calculating machines origins of the computer Gottfried Wilhelm von Leibniz

    Tags

    Annotators