Arithmeum
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        • 37) Einblick in die Restaurierungsarbeiten des Arithmeums
        • 36) Der Atanasoff Berry Computer von John Atanasoff und Clifford Berry
        • 35) Zylindrische Vierspezies-Stellsegmentmaschine von Anton Braun
        • 34) Die Additionsmaschine von Johann Jakob Sauter aus dem späten 18. Jahrhundert
        • 33) Rechengerät aus dem 17. Jahrhundert - Burattini oder Morland?
        • 32) Die Additionsmaschine von Charles Xavier Thomas aus dem Jahre 1849
        • 31) Die „Grasshopper“ von George B. Grant aus dem Jahr 1871
        • 29) Die koplanare Zahnscheiben-Addiermaschine von Didier Roth aus dem Jahr 1842
        • 28) Die kreisrunde Staffelwalzenmaschine von Joseph Edmondson für alle vier Grundrechenarten
        • 27) Koplanare Zahnscheiben-Addiermaschine von Charles Stanhope aus dem Jahre 1780
        • 26) „Matador“-Tastenaddiermaschine mit Kurbel 1906
        • 25) The single column key adding machine by Ferdinand Hebentanz from the year 1873
        • 24) Column adding machine by Moses and William Pullen from the year 1874
        • 23) „The Improved Adding Machine“ by Caroline Winter from 1859
        • 22) The arithmetic manipulator by Niccola Guinigi from 1858
        • 21) Tito Gonnella’s coplanar adding machine with tooth lock washers from the year 1859
        • 20) The automatically multiplying calculating machine by François Timoléon Maurel and Jean Jayet from the year 1846
        • 19) The “Z25” transistor computer by Konrad Zuse
        • 18) Arthur Burkhardt’s Arithmometer – the start of calculating machine production in Germany at the end of the 19th century
        • 17) Didier Roth’s circular calculating machine for automatic multiplication from 1841
        • 16) The mechanical calculator for all four arithmetical operations by Anton Braun (1727)
        • 15) “The Millionaire” – Calculating machine for direct multiplication by Otto Steiger
        • 14) The four-species calculating machine with a switching latch by Heyde and Büttner from the year 1883
        • 13) Four-species calculating machine with a switching latch mechanism by Friedrich Weiss from the year 1893
        • 12) Prototype of the four-species calculating machine with a switching latch mechanism by Curt Dietzschold from the year 1876
        • 11) Christel Hamann’s “Gauss-Mercedes” calculating machine with the unique stepped disc from the year 1909
        • 10) Jacob Auch's adding machine
        • 09) The "Hamann Manus" calculating machine
        • 08) Adding machine by Philipp Matthäus Hahn
        • 07) The patent model of Thomas de Colmar’s Arithmomètre from the year 1820
        • 06) Multiplication Instrument by Samuel Morland
        • 05) Johann Christoph Schuster's calculating machine
        • 04) Blaise Pascal's calculating machine
        • 03) The mechanical calculator for all four arithmetic operations by Axel Jacob Petersson
        • 02) The mechanical calculator for all four arithmetic operations by Johann Jakob Sauter
        • 01) The first mechanical calculator for all four arithmetic operations by Gottfried Wilhelm Leibniz
    • Calculating in olden times
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Exhibits presented so far

  • 37) Einblick in die Restaurierungsarbeiten des Arithmeums
  • 36) Der Atanasoff Berry Computer von John Atanasoff und Clifford Berry
  • 35) Zylindrische Vierspezies-Stellsegmentmaschine von Anton Braun
  • 34) Die Additionsmaschine von Johann Jakob Sauter aus dem späten 18. Jahrhundert
  • 33) Rechengerät aus dem 17. Jahrhundert - Burattini oder Morland?
  • 32) Die Additionsmaschine von Charles Xavier Thomas aus dem Jahre 1849
  • 31) Die „Grasshopper“ von George B. Grant aus dem Jahr 1871
  • 30) Die Vierspezies-Rechenmaschine Centennial von George B. Grant
  • 29) Die koplanare Zahnscheiben-Addiermaschine von Didier Roth aus dem Jahr 1842
  • 28) Die kreisrunde Staffelwalzenmaschine von Joseph Edmondson für alle vier Grundrechenarten
  • 27) Koplanare Zahnscheiben-Addiermaschine von Charles Stanhope aus dem Jahre 1780
  • 26) „Matador“-Tastenaddiermaschine mit Kurbel 1906
  • 25) The single column key adding machine by Ferdinand Hebentanz from the year 1873
  • 24) Column adding machine by Moses and William Pullen from the year 1874
  • 23) „The Improved Adding Machine“ by Caroline Winter from 1859
  • 22) The arithmetic manipulator by Niccola Guinigi from 1858
  • 21) Tito Gonnella’s coplanar adding machine with tooth lock washers from the year 1859
  • 20) The automatically multiplying calculating machine by François Timoléon Maurel and Jean Jayet from the year 1846
  • 19) The “Z25” transistor computer by Konrad Zuse
  • 18) Arthur Burkhardt’s Arithmometer – the start of calculating machine production in Germany at the end of the 19th century
  • 17) Didier Roth’s circular calculating machine for automatic multiplication from 1841
  • 16) The mechanical calculator for all four arithmetical operations by Anton Braun (1727)
  • 15) “The Millionaire” – Calculating machine for direct multiplication by Otto Steiger
  • 14) The four-species calculating machine with a switching latch by Heyde and Büttner from the year 1883
  • 13) Four-species calculating machine with a switching latch mechanism by Friedrich Weiss from the year 1893
  • 12) Prototype of the four-species calculating machine with a switching latch mechanism by Curt Dietzschold from the year 1876
  • 11) Christel Hamann’s “Gauss-Mercedes” calculating machine with the unique stepped disc from the year 1909
  • 10) Jacob Auch's adding machine
  • 09) The "Hamann Manus" calculating machine
  • 08) Adding machine by Philipp Matthäus Hahn
  • 07) The patent model of Thomas de Colmar’s Arithmomètre from the year 1820
  • 06) Multiplication Instrument by Samuel Morland
  • 05) Johann Christoph Schuster's calculating machine
  • 04) Blaise Pascal's calculating machine
  • 03) The mechanical calculator for all four arithmetic operations by Axel Jacob Petersson
  • 02) The mechanical calculator for all four arithmetic operations by Johann Jakob Sauter
  • 01) The first mechanical calculator for all four arithmetic operations by Gottfried Wilhelm Leibniz

ARITHMEUM

Lennéstr. 2, 53113 Bonn

Phone: +49 (0)228 73 87 90

Opening hours: Tuesday - Sunday 11:00 am - 06:00 pm

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