About: Pinwheel calculator

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Type of mechanical calculator

Property	Value
dbo:description	tipo de calculadora mecánica (es) type de calculatrice mécanique (fr) type of mechanical calculator (en)
dbo:thumbnail	wiki-commons:Special:FilePath/Roue_à_nombre_de_dents_variables.png?width=300
dbo:wikiPageExternalLink	https://archive.org/details/mechanicalarithm00feltrich http://www.leningrad.su/museum/ https://archive.org/details/sourcebookinmath0000smit_a3b7 http://www.johnwolff.id.au/calculators/Categories.htm http://www.davdata.nl/math/pinwheel.html https://americanhistory.si.edu/collections/search/object/nmah_690749 http://www.vintagecalculators.com/html/operating_a_pinwheel_calculato.html http://collection.sciencemuseum.org.uk/search/object_type/calculating-machine-(pinwheel) https://www.google.com/patents/US1445461 https://www.google.com/patents/US159244 https://www.google.com/patents/US209416 https://www.google.com/patents/US514725
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dbp:playlist	PLTcG-zIT2ivUZtzrNdlcfMgZa5AM7gukn (en)
dbp:title	Mechanical Calculators (en)
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dct:subject	dbc:Mechanical_calculators
gold:hypernym	dbr:Calculator
rdfs:label	Pinwheel calculator (en) Original Odhner (ca) Calculadora de rueda de pines (es) Sprossenrad (de) Roue à nombre variable de dents (fr)
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