LINKS

http://www.vcalc.net/curta_simulator_en.htm

http://www.photocalcul.com/

https://www.calculatinginstruments.com/

http://digilander.libero.it/giuseppecaltagirone/index.html

http://home.ix.netcom.com/~hancockm/

http://machineacalculer.free.fr/

http://perso.wanadoo.fr/yves.serra/

http://w1.131.telia.com/~u13101111/collection.html#calc

http://wvegter.hivemind.net/

http://www.calculators.szrek.com/

http://www.cbi.umn.edu/

http://www.computerhistory.org/

http://www.hpmuseum.org/

http://www.ifhb.de/

http://www.mortati.com/glusker/

http://www.officemuseum.com/calculating_machines_adders.htm

http://www.oldcalculatormuseum.com/

http://www.arithmeum.uni-bonn.de

http://www.oughtred.org/

http://www.ph-ludwigsburg.de/mathematik/mmm/

http://www.vintagecalculators.com/index.html

http://www2.cruzio.com/~vagabond/ComptHome.html

http://www.mechrech.info/

http://www.rechnen-ohne-strom.de/links-lit-anleit/bauanleitungen/

http://www.arithmometre.org/Mail/PageMail.html

http://www.rechenmaschinen-illustrated.com/

http://www.historicalc.com/it/artikel/Pagina_principale

http://www.calcuseum.com/

http://history-computer.com/index.html

http://www.nzeldes.com/possiblyinteresting.htm

http://www.mechanicalculator.com/

http://arc.reglasdecalculo.org/index.php

http://www.antikma.de/

http://alple.net/arif-ru/

http://bluemich.net/rechner/

http://rk86.com/frolov/calcolle.htm

http://www.jmgoldman.com/

http://members.estarnet.net/brokenstar/

http://www-03.ibm.com/ibm/history/exhibits/attic/attic_room.html

http://ifhbev.de/

http://maszynyliczace.blox.pl/html/1310721,262146,21.html?639817

http://www.arts-et-metiers.net/musee/recherche-sur-les-collections

http://home.comcast.net/~wtodhner/calcs.html

http://retrocalculators.com/default.htm

http://www.crisvandevel.de/index.htm

http://keisanki.on.coocan.jp/

http://www.johnwolff.id.au/calculators/index.htm

https://www.fayerwayer.com/2011/12/el-origen-de-la-calculadora/

http://www.calculators.de/

http://www.xnumber.com/xnumber/

http://www.der-taschenrechner.de/html/heute.html

http://www.thecalculatorstore.com/

http://www.mainieri.eu/

http://www.w-hasselo.nl/mechn/

http://ajmdeman.awardspace.info/

http://www.rechenwerkzeug.de/abakus.htm

http://www.addiator.de/

http://museu.boselli.com.br/

http://www.fib.upc.edu/museu.html

http://museo.inf.upv.es/introduccion/

http://www.rechnerlexikon.de/artikel/Hauptseite

ÍNDICE