Links Calculadoras

Josep Balsach. mipaginapersonal

The Calc Machines (DIE RECHENMASCHINEN) E Martin

http://www.nzeldes.com/HOC/HOC_Core.htm

Arithmometre.com (Valéry Monnier)

mechanicalculator (Kees Nagtegaal) 

vcalc.net/curta_simulator

photocalcul

Arc Reglas de Cálculo  

digilander.libero.it/giuseppecaltagirone/index.

home.ix.netcom.com/~hancockm/

home.vicnet.net.au/~wolff/calculators/welcome.htm

machineacalculer.free.fr/

ourworld.compuserve.com/homepages/Michel_Bardel

people.wiesbaden.netsurf.de/~ratz/default.htm

perso.wanadoo.fr/yves.serra/

users.lewiston.com/ejorgens/office/index.htm

1.131.telia.com/~u13101111/collection.html#calc

vegter.hivemind.net/

calculators.szrek.com/

cbi.umn.edu/

computerhistory.org/

dotpoint.com/xnumber/

geocities.com/SiliconValley/Horizon/1404/

geocities.com/SiliconValley/Park/7227/

hpmuseum.org/

ifhb.de/

mortati.com/glusker/

museoscienza.org/ancora/Default.htm

officemuseum.com/calculating_machines_adders

oldcalculatormuseum.com/

or.uni-bonn.de/home/muuss/arithmeum/

oughtred.org/

ph-ludwigsburg.de/mathematik/mmm/

taswegian.com/MOSCOW/mechbystr.html

thomasfowler.org.uk/

typewriter.net/museo/sala13.htm

uni-greifswald.de/~wwwmathe/RTS/node2

uspto.gov/patft/index.html

vcalc.net/

vintagecalculators.com/index.html

webcom.com/calc/main.html

cruzio.com/~vagabond/ComptHome.html

mechrech.info/

tan-gram.de

cs.unc.edu/Outreach/vr/computer_museum/Gallery1page

Contributions to the History of Mechanical Calculation 

Michel Bardel's Dictionary

Michel Bardel's List

Millionaire Calculator

Original Documents on the History of Calculators

Patent database (the great encyclopedia of mech calculating)

US Patent Office Database

Histoire de l'informatique

Reinhard Atzbach - Literatur

Topeka Computing Museum

Mathematisches Maschinen-Museum

Early Calculators

Ernie Jorgenson's Office Machine Americana

Yesterday's Office

Vintage Calculators 

Recuerdos del Cálculo Mecánico

The Oughtred Society

reglasdecalculo.com  

Early Office Museum

www.schneemann.de/

www.nicolamarras.it/calcolatoria

www.sohu.com

www.crisvandevel.de/index.htm

www.rechnerlexikon.de


Links Typewriter

Museos

Restauradores

Subastas

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