l'Abaque rhabdologique de Claude Perrault (1666) / the adding machine of Claude Perrault (1666). April, 2013.
l'Abaque rhabdologique de Claude Perrault (1666) / the adding machine of Claude Perrault (1666) [link]Paper  abstract   bibtex   
Claude Perrault is probably the inventor of the first "pocket" adding machine with automatic carry-over mechanism. Some years after Pascal (1643), and some years before Leibniz (1694), Perrault's adder, built circa 1666 is a very important device for the history of sciences. A replica has been made to show how it works. / Valéry Monnier (www.arithmometre.org, www.ami19.org)
@misc{noauthor_abaque_2013,
	title = {l'{Abaque} rhabdologique de {Claude} {Perrault} (1666) / the adding machine of {Claude} {Perrault} (1666)},
	url = {http://www.youtube.com/watch?v=1vOpaLmz6HE&feature=youtube_gdata_player},
	abstract = {Claude Perrault is probably the inventor of the first "pocket" adding machine with automatic carry-over mechanism. Some years after Pascal (1643), and some years before Leibniz (1694), Perrault's adder, built circa 1666 is a very important device for the history of sciences. A replica has been made to show how it works. / Valéry Monnier (www.arithmometre.org, www.ami19.org)},
	urldate = {2013-12-04},
	month = apr,
	year = {2013},
}

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