menu calmeca

Some links

The french associations whose I am a member.

Encyclopedic sites.

  • Valéry Monnier.
    Everything relative to the Thomas de Colmar arithmometer. List of 19th century french patents on calculators and instruments of calculation :
    http://www.arithmometre.org/

  • Bibnum.
    Numerical library project of scientific articles before 1940. Scan of the letter that Blaise Pascal wrote to the "chancelier Séguier" and of the "avis nécessaire à ceux qui voudrons se servir de la machine" (necessary advice to everyone who want to use the calculator) :
    http://www.bibnum.education.fr/recherche/resultat/liste/

  • Computer History Museum.
    The calculators :
    http://www.computerhistory.org/revolution/calculators/1/intro
    The museum :
    http://www.computerhistory.org/

  • James Redin.
    Two Web sites about mechanical calculators :
    http://www.dotpoint.com/xnumber/collectors_mech.htm
    http://www.xnumber.com/xnumber/

  • History of calculators.
    From the first calculators to the computers. The machines and their inventors.
    http://history-computer.com/

  • Very documented. Prolongs beyond the mechanical calculators :
    http://www.hpmuseum.org

  • Michel Bardel.
    Michel Bardel's list. An attempt to take the census of all mechanical calculators.
    http://ourworld.compuserve.com/homepages/michel_bardel/

  • Rechenmaschinen illustrated.
    Impressive compilation of photos and documents on mechanical calculators :
    http://www.rechenmaschinen-illustrated.com/

  • Rechnerlexikon.
    Impressive compilation of photos and documents on mechanical calculators. Technical explanations on calculators and instruments of calculation :
    http://www.rechnerlexikon.de/en/wiki.phtml

  • Xnumber world.
    A list of Web sites of mechanical calculators collectors :
    http://www.xumber.com/xnumber

  • Everything relative to the Felt & Tarrant comptometer :
    http://www2.cruzio.com/~vagabond/ComptHome.html

    • Web sites of collectors :

  • Christophe Mery.
    A collector of mechanical calculators. A lot of photos :
    http://machineacalculer.free.fr/

  • Yves Serra.
    The first replica of the Blaise Pascal calculator made by Pierre Charrier (and other mechanical calculators) :
    http://perso.wanadoo.fr/yves.serra/pages/pascaline.htm

  • Originals documents (some in french) :
    http://www.geocities.com/siliconvalley/horizon/1404/

  • Collection of mechanical calculators. Photos and links :
    http://www.calculators.szrek.com/

  • Baaijens, Nico.
    Important database on calculators, slide rules, abacus, various instruments of calculation, old advertisings. Many photographs :
    http://www.calculi.nl

  • Documentation, pictures and the book of Ernst Martin :
    www.rechenmaschinen-illustrated.com

  • History, explanations about technics and photos :
    http://public.beuth-hochschule.de/~hamann/addiator/index.html

  • Mark Glusker.
    The mechanical calculators (and the Fowler's calculating machine of 1840) :
    http://www.mortati.com/glusker/

  • John Wolff's Web Museum.
    Collection of calculators with descriptive forms and photos :
    http://home.vicnet.net.au/~wolff/calculators/CalcIndex.htm

  • Olika Märken.
    Collection of calculators with photos :
    http://w1.131.telia.com/~u13101111/typewriters.html

  • Electro mechanical calculators, technical descriptions, slide rules :
    http://www.mortati.com/glusker/

  • D.Bölter.
    Collection of calculators :
    http://www.boelters.de/Rechenmaschinen/index.html

  • interstices.
    Calculators and instruments of calculation, articles :
    http://interstices.info/jcms/c_15272/machines-a-calculer

    • Instruments of calculation, slide rules.

  • Meeting point of slide rules collectors :
    http://linealis.org/

  • Chronology of inventors and manufacturers :
    http://www.tfh-berlin.de/~hamann/history/

  • Sphere research corporation.
    Slide rules :
    http://www.sphere.bc.ca/test/2archives.html

  • International slide rule museum (anglais):
    http://www.sliderulemuseum.com/

  • Greg's slide rules.
    Slide rules, notices, etc..
    http://sliderule.ozmanor.com/index.html